Home / 1,189,737.24-1,641,664.15-680,341.20

Finding the Fourth Proportional to 1,189,737.24, 1,641,664.15 and 680,341.20

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Solution

The fourth proportional to 1,189,737.24, 1,641,664.15 and 680,341.20 is: 938,771.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,737.24 : 1,641,664.15 = 680,341.20 : x
  2. Step 2: Convert to fraction form
    1,189,737.24/1,641,664.15 = 680,341.20/x
  3. Step 3: Cross multiply
    1,189,737.24x = 1,641,664.15 × 680,341.20
  4. Step 4: Simplify right side
    1,189,737.24x = 1,116,891,758,658.41
  5. Step 5: Solve for x
    x = 1,116,891,758,658.41/1,189,737.24
  6. Step 6: Final answer
    x = 938,771.79

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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.