Home / 1,146,204.72-1,581,103.85-715,737.51

Finding the Fourth Proportional to 1,146,204.72, 1,581,103.85 and 715,737.51

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Solution

The fourth proportional to 1,146,204.72, 1,581,103.85 and 715,737.51 is: 987,306.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,204.72 : 1,581,103.85 = 715,737.51 : x
  2. Step 2: Convert to fraction form
    1,146,204.72/1,581,103.85 = 715,737.51/x
  3. Step 3: Cross multiply
    1,146,204.72x = 1,581,103.85 × 715,737.51
  4. Step 4: Simplify right side
    1,146,204.72x = 1,131,655,332,650.41
  5. Step 5: Solve for x
    x = 1,131,655,332,650.41/1,146,204.72
  6. Step 6: Final answer
    x = 987,306.47

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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.