Home / 1,398,165.50-2,092,737-723,317.78

Finding the Fourth Proportional to 1,398,165.50, 2,092,737 and 723,317.78

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Solution

The fourth proportional to 1,398,165.50, 2,092,737 and 723,317.78 is: 1,082,642.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,165.50 : 2,092,737 = 723,317.78 : x
  2. Step 2: Convert to fraction form
    1,398,165.50/2,092,737 = 723,317.78/x
  3. Step 3: Cross multiply
    1,398,165.50x = 2,092,737 × 723,317.78
  4. Step 4: Simplify right side
    1,398,165.50x = 1,513,713,880,963.86
  5. Step 5: Solve for x
    x = 1,513,713,880,963.86/1,398,165.50
  6. Step 6: Final answer
    x = 1,082,642.85

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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.