Home / 1,027,384.20-1,541,076.30-279,430.20

Finding the Fourth Proportional to 1,027,384.20, 1,541,076.30 and 279,430.20

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Solution

The fourth proportional to 1,027,384.20, 1,541,076.30 and 279,430.20 is: 419,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,384.20 : 1,541,076.30 = 279,430.20 : x
  2. Step 2: Convert to fraction form
    1,027,384.20/1,541,076.30 = 279,430.20/x
  3. Step 3: Cross multiply
    1,027,384.20x = 1,541,076.30 × 279,430.20
  4. Step 4: Simplify right side
    1,027,384.20x = 430,623,258,724.26
  5. Step 5: Solve for x
    x = 430,623,258,724.26/1,027,384.20
  6. Step 6: Final answer
    x = 419,145.30

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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.