Home / 1,101,932.52-1,520,550.06-618,550.83

Finding the Fourth Proportional to 1,101,932.52, 1,520,550.06 and 618,550.83

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Solution

The fourth proportional to 1,101,932.52, 1,520,550.06 and 618,550.83 is: 853,534.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,932.52 : 1,520,550.06 = 618,550.83 : x
  2. Step 2: Convert to fraction form
    1,101,932.52/1,520,550.06 = 618,550.83/x
  3. Step 3: Cross multiply
    1,101,932.52x = 1,520,550.06 × 618,550.83
  4. Step 4: Simplify right side
    1,101,932.52x = 940,537,501,669.55
  5. Step 5: Solve for x
    x = 940,537,501,669.55/1,101,932.52
  6. Step 6: Final answer
    x = 853,534.57

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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.