Home / 1,177,427.78-1,766,405.02-429,473.78

Finding the Fourth Proportional to 1,177,427.78, 1,766,405.02 and 429,473.78

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Solution

The fourth proportional to 1,177,427.78, 1,766,405.02 and 429,473.78 is: 644,306.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,427.78 : 1,766,405.02 = 429,473.78 : x
  2. Step 2: Convert to fraction form
    1,177,427.78/1,766,405.02 = 429,473.78/x
  3. Step 3: Cross multiply
    1,177,427.78x = 1,766,405.02 × 429,473.78
  4. Step 4: Simplify right side
    1,177,427.78x = 758,624,640,950.38
  5. Step 5: Solve for x
    x = 758,624,640,950.38/1,177,427.78
  6. Step 6: Final answer
    x = 644,306.73

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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.