Home / 1,371,463.74-2,057,330.88-472,787.28

Finding the Fourth Proportional to 1,371,463.74, 2,057,330.88 and 472,787.28

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Solution

The fourth proportional to 1,371,463.74, 2,057,330.88 and 472,787.28 is: 709,227.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,463.74 : 2,057,330.88 = 472,787.28 : x
  2. Step 2: Convert to fraction form
    1,371,463.74/2,057,330.88 = 472,787.28/x
  3. Step 3: Cross multiply
    1,371,463.74x = 2,057,330.88 × 472,787.28
  4. Step 4: Simplify right side
    1,371,463.74x = 972,679,870,815.21
  5. Step 5: Solve for x
    x = 972,679,870,815.21/1,371,463.74
  6. Step 6: Final answer
    x = 709,227.55

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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.