Home / 1,175,129.40-1,762,953.30-376,447.80

Finding the Fourth Proportional to 1,175,129.40, 1,762,953.30 and 376,447.80

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Solution

The fourth proportional to 1,175,129.40, 1,762,953.30 and 376,447.80 is: 564,754.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,129.40 : 1,762,953.30 = 376,447.80 : x
  2. Step 2: Convert to fraction form
    1,175,129.40/1,762,953.30 = 376,447.80/x
  3. Step 3: Cross multiply
    1,175,129.40x = 1,762,953.30 × 376,447.80
  4. Step 4: Simplify right side
    1,175,129.40x = 663,659,891,287.74
  5. Step 5: Solve for x
    x = 663,659,891,287.74/1,175,129.40
  6. Step 6: Final answer
    x = 564,754.73

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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.