Home / 1,072,414.40-1,608,264.38-432,552.87

Finding the Fourth Proportional to 1,072,414.40, 1,608,264.38 and 432,552.87

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Solution

The fourth proportional to 1,072,414.40, 1,608,264.38 and 432,552.87 is: 648,685.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,414.40 : 1,608,264.38 = 432,552.87 : x
  2. Step 2: Convert to fraction form
    1,072,414.40/1,608,264.38 = 432,552.87/x
  3. Step 3: Cross multiply
    1,072,414.40x = 1,608,264.38 × 432,552.87
  4. Step 4: Simplify right side
    1,072,414.40x = 695,659,374,369.15
  5. Step 5: Solve for x
    x = 695,659,374,369.15/1,072,414.40
  6. Step 6: Final answer
    x = 648,685.23

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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.