Home / 1,186,544.73-1,779,926.45-387,830.46

Finding the Fourth Proportional to 1,186,544.73, 1,779,926.45 and 387,830.46

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Solution

The fourth proportional to 1,186,544.73, 1,779,926.45 and 387,830.46 is: 581,781.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,544.73 : 1,779,926.45 = 387,830.46 : x
  2. Step 2: Convert to fraction form
    1,186,544.73/1,779,926.45 = 387,830.46/x
  3. Step 3: Cross multiply
    1,186,544.73x = 1,779,926.45 × 387,830.46
  4. Step 4: Simplify right side
    1,186,544.73x = 690,309,691,930.52
  5. Step 5: Solve for x
    x = 690,309,691,930.52/1,186,544.73
  6. Step 6: Final answer
    x = 581,781.43

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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.