Home / 1,331,521.12-1,837,499.16-727,909.12

Finding the Fourth Proportional to 1,331,521.12, 1,837,499.16 and 727,909.12

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Solution

The fourth proportional to 1,331,521.12, 1,837,499.16 and 727,909.12 is: 1,004,514.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,521.12 : 1,837,499.16 = 727,909.12 : x
  2. Step 2: Convert to fraction form
    1,331,521.12/1,837,499.16 = 727,909.12/x
  3. Step 3: Cross multiply
    1,331,521.12x = 1,837,499.16 × 727,909.12
  4. Step 4: Simplify right side
    1,331,521.12x = 1,337,532,396,556.34
  5. Step 5: Solve for x
    x = 1,337,532,396,556.34/1,331,521.12
  6. Step 6: Final answer
    x = 1,004,514.59

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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.