Home / 1,502,025.80-2,072,787.17-813,710.88

Finding the Fourth Proportional to 1,502,025.80, 2,072,787.17 and 813,710.88

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Solution

The fourth proportional to 1,502,025.80, 2,072,787.17 and 813,710.88 is: 1,122,916.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502,025.80 : 2,072,787.17 = 813,710.88 : x
  2. Step 2: Convert to fraction form
    1,502,025.80/2,072,787.17 = 813,710.88/x
  3. Step 3: Cross multiply
    1,502,025.80x = 2,072,787.17 × 813,710.88
  4. Step 4: Simplify right side
    1,502,025.80x = 1,686,649,468,084.86
  5. Step 5: Solve for x
    x = 1,686,649,468,084.86/1,502,025.80
  6. Step 6: Final answer
    x = 1,122,916.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.