Home / 1,291,062.65-1,936,523.84-392,434.34

Finding the Fourth Proportional to 1,291,062.65, 1,936,523.84 and 392,434.34

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Solution

The fourth proportional to 1,291,062.65, 1,936,523.84 and 392,434.34 is: 588,630.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,062.65 : 1,936,523.84 = 392,434.34 : x
  2. Step 2: Convert to fraction form
    1,291,062.65/1,936,523.84 = 392,434.34/x
  3. Step 3: Cross multiply
    1,291,062.65x = 1,936,523.84 × 392,434.34
  4. Step 4: Simplify right side
    1,291,062.65x = 759,958,443,399.88
  5. Step 5: Solve for x
    x = 759,958,443,399.88/1,291,062.65
  6. Step 6: Final answer
    x = 588,630.18

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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.