Home / 1,340,808.30-2,011,212.45-773,937.90

Finding the Fourth Proportional to 1,340,808.30, 2,011,212.45 and 773,937.90

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Solution

The fourth proportional to 1,340,808.30, 2,011,212.45 and 773,937.90 is: 1,160,906.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,808.30 : 2,011,212.45 = 773,937.90 : x
  2. Step 2: Convert to fraction form
    1,340,808.30/2,011,212.45 = 773,937.90/x
  3. Step 3: Cross multiply
    1,340,808.30x = 2,011,212.45 × 773,937.90
  4. Step 4: Simplify right side
    1,340,808.30x = 1,556,553,540,006.86
  5. Step 5: Solve for x
    x = 1,556,553,540,006.86/1,340,808.30
  6. Step 6: Final answer
    x = 1,160,906.85

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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.