Home / 1,177,421.28-1,766,395.28-429,467.28

Finding the Fourth Proportional to 1,177,421.28, 1,766,395.28 and 429,467.28

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Solution

The fourth proportional to 1,177,421.28, 1,766,395.28 and 429,467.28 is: 644,296.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,421.28 : 1,766,395.28 = 429,467.28 : x
  2. Step 2: Convert to fraction form
    1,177,421.28/1,766,395.28 = 429,467.28/x
  3. Step 3: Cross multiply
    1,177,421.28x = 1,766,395.28 × 429,467.28
  4. Step 4: Simplify right side
    1,177,421.28x = 758,608,976,306.44
  5. Step 5: Solve for x
    x = 758,608,976,306.44/1,177,421.28
  6. Step 6: Final answer
    x = 644,296.98

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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.