Home / 1,419,377.29-2,129,095.86-508,619.13

Finding the Fourth Proportional to 1,419,377.29, 2,129,095.86 and 508,619.13

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Solution

The fourth proportional to 1,419,377.29, 2,129,095.86 and 508,619.13 is: 762,939.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,377.29 : 2,129,095.86 = 508,619.13 : x
  2. Step 2: Convert to fraction form
    1,419,377.29/2,129,095.86 = 508,619.13/x
  3. Step 3: Cross multiply
    1,419,377.29x = 2,129,095.86 × 508,619.13
  4. Step 4: Simplify right side
    1,419,377.29x = 1,082,898,883,999.80
  5. Step 5: Solve for x
    x = 1,082,898,883,999.80/1,419,377.29
  6. Step 6: Final answer
    x = 762,939.42

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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.