Home / 1,077,158.68-1,615,514.13-318,822.27

Finding the Fourth Proportional to 1,077,158.68, 1,615,514.13 and 318,822.27

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Solution

The fourth proportional to 1,077,158.68, 1,615,514.13 and 318,822.27 is: 478,167.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,158.68 : 1,615,514.13 = 318,822.27 : x
  2. Step 2: Convert to fraction form
    1,077,158.68/1,615,514.13 = 318,822.27/x
  3. Step 3: Cross multiply
    1,077,158.68x = 1,615,514.13 × 318,822.27
  4. Step 4: Simplify right side
    1,077,158.68x = 515,061,882,143.68
  5. Step 5: Solve for x
    x = 515,061,882,143.68/1,077,158.68
  6. Step 6: Final answer
    x = 478,167.14

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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.