Home / 1,539,589.52-2,309,598.12-474,715.28

Finding the Fourth Proportional to 1,539,589.52, 2,309,598.12 and 474,715.28

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Solution

The fourth proportional to 1,539,589.52, 2,309,598.12 and 474,715.28 is: 712,138.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,589.52 : 2,309,598.12 = 474,715.28 : x
  2. Step 2: Convert to fraction form
    1,539,589.52/2,309,598.12 = 474,715.28/x
  3. Step 3: Cross multiply
    1,539,589.52x = 2,309,598.12 × 474,715.28
  4. Step 4: Simplify right side
    1,539,589.52x = 1,096,401,518,223.27
  5. Step 5: Solve for x
    x = 1,096,401,518,223.27/1,539,589.52
  6. Step 6: Final answer
    x = 712,138.86

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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.