Home / 1,092,343.32-1,639,258.02-670,331.16

Finding the Fourth Proportional to 1,092,343.32, 1,639,258.02 and 670,331.16

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Solution

The fourth proportional to 1,092,343.32, 1,639,258.02 and 670,331.16 is: 1,005,952.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,343.32 : 1,639,258.02 = 670,331.16 : x
  2. Step 2: Convert to fraction form
    1,092,343.32/1,639,258.02 = 670,331.16/x
  3. Step 3: Cross multiply
    1,092,343.32x = 1,639,258.02 × 670,331.16
  4. Step 4: Simplify right side
    1,092,343.32x = 1,098,845,730,085.90
  5. Step 5: Solve for x
    x = 1,098,845,730,085.90/1,092,343.32
  6. Step 6: Final answer
    x = 1,005,952.72

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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.