Home / 1,959,439.38-2,939,344.57-761,454.08

Finding the Fourth Proportional to 1,959,439.38, 2,939,344.57 and 761,454.08

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Solution

The fourth proportional to 1,959,439.38, 2,939,344.57 and 761,454.08 is: 1,142,253.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959,439.38 : 2,939,344.57 = 761,454.08 : x
  2. Step 2: Convert to fraction form
    1,959,439.38/2,939,344.57 = 761,454.08/x
  3. Step 3: Cross multiply
    1,959,439.38x = 2,939,344.57 × 761,454.08
  4. Step 4: Simplify right side
    1,959,439.38x = 2,238,175,912,629.98
  5. Step 5: Solve for x
    x = 2,238,175,912,629.98/1,959,439.38
  6. Step 6: Final answer
    x = 1,142,253.21

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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.