Home / 1,414,314.76-2,120,814.42-515,130.52

Finding the Fourth Proportional to 1,414,314.76, 2,120,814.42 and 515,130.52

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Solution

The fourth proportional to 1,414,314.76, 2,120,814.42 and 515,130.52 is: 772,456.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414,314.76 : 2,120,814.42 = 515,130.52 : x
  2. Step 2: Convert to fraction form
    1,414,314.76/2,120,814.42 = 515,130.52/x
  3. Step 3: Cross multiply
    1,414,314.76x = 2,120,814.42 × 515,130.52
  4. Step 4: Simplify right side
    1,414,314.76x = 1,092,496,234,998.10
  5. Step 5: Solve for x
    x = 1,092,496,234,998.10/1,414,314.76
  6. Step 6: Final answer
    x = 772,456.22

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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.