Home / 861,472.16-1,186,267.67-842,355.73

Finding the Fourth Proportional to 861,472.16, 1,186,267.67 and 842,355.73

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Solution

The fourth proportional to 861,472.16, 1,186,267.67 and 842,355.73 is: 1,159,943.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,472.16 : 1,186,267.67 = 842,355.73 : x
  2. Step 2: Convert to fraction form
    861,472.16/1,186,267.67 = 842,355.73/x
  3. Step 3: Cross multiply
    861,472.16x = 1,186,267.67 × 842,355.73
  4. Step 4: Simplify right side
    861,472.16x = 999,259,361,960.80
  5. Step 5: Solve for x
    x = 999,259,361,960.80/861,472.16
  6. Step 6: Final answer
    x = 1,159,943.89

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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.