Home / 1,775,428.60-2,661,393.30-876,134.20

Finding the Fourth Proportional to 1,775,428.60, 2,661,393.30 and 876,134.20

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Solution

The fourth proportional to 1,775,428.60, 2,661,393.30 and 876,134.20 is: 1,313,337.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,428.60 : 2,661,393.30 = 876,134.20 : x
  2. Step 2: Convert to fraction form
    1,775,428.60/2,661,393.30 = 876,134.20/x
  3. Step 3: Cross multiply
    1,775,428.60x = 2,661,393.30 × 876,134.20
  4. Step 4: Simplify right side
    1,775,428.60x = 2,331,737,689,780.86
  5. Step 5: Solve for x
    x = 2,331,737,689,780.86/1,775,428.60
  6. Step 6: Final answer
    x = 1,313,337.91

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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.