Home / 1,177,425.78-1,766,402.01-429,471.78

Finding the Fourth Proportional to 1,177,425.78, 1,766,402.01 and 429,471.78

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Solution

The fourth proportional to 1,177,425.78, 1,766,402.01 and 429,471.78 is: 644,303.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,425.78 : 1,766,402.01 = 429,471.78 : x
  2. Step 2: Convert to fraction form
    1,177,425.78/1,766,402.01 = 429,471.78/x
  3. Step 3: Cross multiply
    1,177,425.78x = 1,766,402.01 × 429,471.78
  4. Step 4: Simplify right side
    1,177,425.78x = 758,619,815,430.28
  5. Step 5: Solve for x
    x = 758,619,815,430.28/1,177,425.78
  6. Step 6: Final answer
    x = 644,303.72

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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.