Home / 1,312,789.20-1,968,060.51-503,754.15

Finding the Fourth Proportional to 1,312,789.20, 1,968,060.51 and 503,754.15

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Solution

The fourth proportional to 1,312,789.20, 1,968,060.51 and 503,754.15 is: 755,200.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,789.20 : 1,968,060.51 = 503,754.15 : x
  2. Step 2: Convert to fraction form
    1,312,789.20/1,968,060.51 = 503,754.15/x
  3. Step 3: Cross multiply
    1,312,789.20x = 1,968,060.51 × 503,754.15
  4. Step 4: Simplify right side
    1,312,789.20x = 991,418,649,363.62
  5. Step 5: Solve for x
    x = 991,418,649,363.62/1,312,789.20
  6. Step 6: Final answer
    x = 755,200.19

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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.