Home / 1,323,113.16-1,982,387.10-724,505.16

Finding the Fourth Proportional to 1,323,113.16, 1,982,387.10 and 724,505.16

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Solution

The fourth proportional to 1,323,113.16, 1,982,387.10 and 724,505.16 is: 1,085,507.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,113.16 : 1,982,387.10 = 724,505.16 : x
  2. Step 2: Convert to fraction form
    1,323,113.16/1,982,387.10 = 724,505.16/x
  3. Step 3: Cross multiply
    1,323,113.16x = 1,982,387.10 × 724,505.16
  4. Step 4: Simplify right side
    1,323,113.16x = 1,436,249,683,067.44
  5. Step 5: Solve for x
    x = 1,436,249,683,067.44/1,323,113.16
  6. Step 6: Final answer
    x = 1,085,507.82

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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.