Home / 1,127,737.98-1,691,345.10-672,456.33

Finding the Fourth Proportional to 1,127,737.98, 1,691,345.10 and 672,456.33

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Solution

The fourth proportional to 1,127,737.98, 1,691,345.10 and 672,456.33 is: 1,008,528.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,737.98 : 1,691,345.10 = 672,456.33 : x
  2. Step 2: Convert to fraction form
    1,127,737.98/1,691,345.10 = 672,456.33/x
  3. Step 3: Cross multiply
    1,127,737.98x = 1,691,345.10 × 672,456.33
  4. Step 4: Simplify right side
    1,127,737.98x = 1,137,355,718,709.48
  5. Step 5: Solve for x
    x = 1,137,355,718,709.48/1,127,737.98
  6. Step 6: Final answer
    x = 1,008,528.35

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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.