Home / 1,158,500.20-1,736,195.10-825,687.40

Finding the Fourth Proportional to 1,158,500.20, 1,736,195.10 and 825,687.40

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Solution

The fourth proportional to 1,158,500.20, 1,736,195.10 and 825,687.40 is: 1,237,422.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,500.20 : 1,736,195.10 = 825,687.40 : x
  2. Step 2: Convert to fraction form
    1,158,500.20/1,736,195.10 = 825,687.40/x
  3. Step 3: Cross multiply
    1,158,500.20x = 1,736,195.10 × 825,687.40
  4. Step 4: Simplify right side
    1,158,500.20x = 1,433,554,418,011.74
  5. Step 5: Solve for x
    x = 1,433,554,418,011.74/1,158,500.20
  6. Step 6: Final answer
    x = 1,237,422.68

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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.