Home / 1,313,578.47-1,812,737.46-709,966.47

Finding the Fourth Proportional to 1,313,578.47, 1,812,737.46 and 709,966.47

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Solution

The fourth proportional to 1,313,578.47, 1,812,737.46 and 709,966.47 is: 979,753.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,578.47 : 1,812,737.46 = 709,966.47 : x
  2. Step 2: Convert to fraction form
    1,313,578.47/1,812,737.46 = 709,966.47/x
  3. Step 3: Cross multiply
    1,313,578.47x = 1,812,737.46 × 709,966.47
  4. Step 4: Simplify right side
    1,313,578.47x = 1,286,982,815,512.97
  5. Step 5: Solve for x
    x = 1,286,982,815,512.97/1,313,578.47
  6. Step 6: Final answer
    x = 979,753.28

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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.