Home / 1,341,010.80-2,011,516.20-836,141.85

Finding the Fourth Proportional to 1,341,010.80, 2,011,516.20 and 836,141.85

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Solution

The fourth proportional to 1,341,010.80, 2,011,516.20 and 836,141.85 is: 1,254,212.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,010.80 : 2,011,516.20 = 836,141.85 : x
  2. Step 2: Convert to fraction form
    1,341,010.80/2,011,516.20 = 836,141.85/x
  3. Step 3: Cross multiply
    1,341,010.80x = 2,011,516.20 × 836,141.85
  4. Step 4: Simplify right side
    1,341,010.80x = 1,681,912,876,772.97
  5. Step 5: Solve for x
    x = 1,681,912,876,772.97/1,341,010.80
  6. Step 6: Final answer
    x = 1,254,212.78

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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.