Home / 1,119,443.50-1,679,427.69-371,489.50

Finding the Fourth Proportional to 1,119,443.50, 1,679,427.69 and 371,489.50

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Solution

The fourth proportional to 1,119,443.50, 1,679,427.69 and 371,489.50 is: 557,321.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,443.50 : 1,679,427.69 = 371,489.50 : x
  2. Step 2: Convert to fraction form
    1,119,443.50/1,679,427.69 = 371,489.50/x
  3. Step 3: Cross multiply
    1,119,443.50x = 1,679,427.69 × 371,489.50
  4. Step 4: Simplify right side
    1,119,443.50x = 623,889,752,844.26
  5. Step 5: Solve for x
    x = 623,889,752,844.26/1,119,443.50
  6. Step 6: Final answer
    x = 557,321.34

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Double scale
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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.