Home / 1,126,482.10-1,689,723.15-825,332.20

Finding the Fourth Proportional to 1,126,482.10, 1,689,723.15 and 825,332.20

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Solution

The fourth proportional to 1,126,482.10, 1,689,723.15 and 825,332.20 is: 1,237,998.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,482.10 : 1,689,723.15 = 825,332.20 : x
  2. Step 2: Convert to fraction form
    1,126,482.10/1,689,723.15 = 825,332.20/x
  3. Step 3: Cross multiply
    1,126,482.10x = 1,689,723.15 × 825,332.20
  4. Step 4: Simplify right side
    1,126,482.10x = 1,394,582,924,780.43
  5. Step 5: Solve for x
    x = 1,394,582,924,780.43/1,126,482.10
  6. Step 6: Final answer
    x = 1,237,998.30

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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.