Home / 750,818.70-1,126,232.10-189,853.20

Finding the Fourth Proportional to 750,818.70, 1,126,232.10 and 189,853.20

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Solution

The fourth proportional to 750,818.70, 1,126,232.10 and 189,853.20 is: 284,780.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,818.70 : 1,126,232.10 = 189,853.20 : x
  2. Step 2: Convert to fraction form
    750,818.70/1,126,232.10 = 189,853.20/x
  3. Step 3: Cross multiply
    750,818.70x = 1,126,232.10 × 189,853.20
  4. Step 4: Simplify right side
    750,818.70x = 213,818,768,127.72
  5. Step 5: Solve for x
    x = 213,818,768,127.72/750,818.70
  6. Step 6: Final answer
    x = 284,780.82

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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.