Home / 1,119,384.30-1,679,076.45-371,430.30

Finding the Fourth Proportional to 1,119,384.30, 1,679,076.45 and 371,430.30

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Solution

The fourth proportional to 1,119,384.30, 1,679,076.45 and 371,430.30 is: 557,145.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,384.30 : 1,679,076.45 = 371,430.30 : x
  2. Step 2: Convert to fraction form
    1,119,384.30/1,679,076.45 = 371,430.30/x
  3. Step 3: Cross multiply
    1,119,384.30x = 1,679,076.45 × 371,430.30
  4. Step 4: Simplify right side
    1,119,384.30x = 623,659,869,546.44
  5. Step 5: Solve for x
    x = 623,659,869,546.44/1,119,384.30
  6. Step 6: Final answer
    x = 557,145.45

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.