Home / 1,145,375.60-1,580,575.03-636,110.78

Finding the Fourth Proportional to 1,145,375.60, 1,580,575.03 and 636,110.78

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Solution

The fourth proportional to 1,145,375.60, 1,580,575.03 and 636,110.78 is: 877,808.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,375.60 : 1,580,575.03 = 636,110.78 : x
  2. Step 2: Convert to fraction form
    1,145,375.60/1,580,575.03 = 636,110.78/x
  3. Step 3: Cross multiply
    1,145,375.60x = 1,580,575.03 × 636,110.78
  4. Step 4: Simplify right side
    1,145,375.60x = 1,005,420,817,249.40
  5. Step 5: Solve for x
    x = 1,005,420,817,249.40/1,145,375.60
  6. Step 6: Final answer
    x = 877,808.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.