Home / 1,008,590.32-1,512,996.20-503,278.48

Finding the Fourth Proportional to 1,008,590.32, 1,512,996.20 and 503,278.48

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Solution

The fourth proportional to 1,008,590.32, 1,512,996.20 and 503,278.48 is: 754,972.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,590.32 : 1,512,996.20 = 503,278.48 : x
  2. Step 2: Convert to fraction form
    1,008,590.32/1,512,996.20 = 503,278.48/x
  3. Step 3: Cross multiply
    1,008,590.32x = 1,512,996.20 × 503,278.48
  4. Step 4: Simplify right side
    1,008,590.32x = 761,458,427,781.78
  5. Step 5: Solve for x
    x = 761,458,427,781.78/1,008,590.32
  6. Step 6: Final answer
    x = 754,972.97

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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.