Home / 1,175,288.40-1,760,891.40-542,905.20

Finding the Fourth Proportional to 1,175,288.40, 1,760,891.40 and 542,905.20

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Solution

The fourth proportional to 1,175,288.40, 1,760,891.40 and 542,905.20 is: 813,414.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,288.40 : 1,760,891.40 = 542,905.20 : x
  2. Step 2: Convert to fraction form
    1,175,288.40/1,760,891.40 = 542,905.20/x
  3. Step 3: Cross multiply
    1,175,288.40x = 1,760,891.40 × 542,905.20
  4. Step 4: Simplify right side
    1,175,288.40x = 955,997,097,695.28
  5. Step 5: Solve for x
    x = 955,997,097,695.28/1,175,288.40
  6. Step 6: Final answer
    x = 813,414.90

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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.