Home / 1,120,514.31-1,681,264.35-587,909.75

Finding the Fourth Proportional to 1,120,514.31, 1,681,264.35 and 587,909.75

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Solution

The fourth proportional to 1,120,514.31, 1,681,264.35 and 587,909.75 is: 882,123.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,514.31 : 1,681,264.35 = 587,909.75 : x
  2. Step 2: Convert to fraction form
    1,120,514.31/1,681,264.35 = 587,909.75/x
  3. Step 3: Cross multiply
    1,120,514.31x = 1,681,264.35 × 587,909.75
  4. Step 4: Simplify right side
    1,120,514.31x = 988,431,695,286.09
  5. Step 5: Solve for x
    x = 988,431,695,286.09/1,120,514.31
  6. Step 6: Final answer
    x = 882,123.22

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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.