Home / 1,217,278.20-1,827,414.90-767,998.20

Finding the Fourth Proportional to 1,217,278.20, 1,827,414.90 and 767,998.20

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Solution

The fourth proportional to 1,217,278.20, 1,827,414.90 and 767,998.20 is: 1,152,942.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,278.20 : 1,827,414.90 = 767,998.20 : x
  2. Step 2: Convert to fraction form
    1,217,278.20/1,827,414.90 = 767,998.20/x
  3. Step 3: Cross multiply
    1,217,278.20x = 1,827,414.90 × 767,998.20
  4. Step 4: Simplify right side
    1,217,278.20x = 1,403,451,353,853.18
  5. Step 5: Solve for x
    x = 1,403,451,353,853.18/1,217,278.20
  6. Step 6: Final answer
    x = 1,152,942.16

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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.