Home / 758,301.24-1,132,535.67-687,081.72

Finding the Fourth Proportional to 758,301.24, 1,132,535.67 and 687,081.72

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Solution

The fourth proportional to 758,301.24, 1,132,535.67 and 687,081.72 is: 1,026,168.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,301.24 : 1,132,535.67 = 687,081.72 : x
  2. Step 2: Convert to fraction form
    758,301.24/1,132,535.67 = 687,081.72/x
  3. Step 3: Cross multiply
    758,301.24x = 1,132,535.67 × 687,081.72
  4. Step 4: Simplify right side
    758,301.24x = 778,144,556,104.95
  5. Step 5: Solve for x
    x = 778,144,556,104.95/758,301.24
  6. Step 6: Final answer
    x = 1,026,168.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.