Home / 1,062,377.40-1,594,473.30-431,743.80

Finding the Fourth Proportional to 1,062,377.40, 1,594,473.30 and 431,743.80

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Solution

The fourth proportional to 1,062,377.40, 1,594,473.30 and 431,743.80 is: 647,984.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,377.40 : 1,594,473.30 = 431,743.80 : x
  2. Step 2: Convert to fraction form
    1,062,377.40/1,594,473.30 = 431,743.80/x
  3. Step 3: Cross multiply
    1,062,377.40x = 1,594,473.30 × 431,743.80
  4. Step 4: Simplify right side
    1,062,377.40x = 688,403,961,540.54
  5. Step 5: Solve for x
    x = 688,403,961,540.54/1,062,377.40
  6. Step 6: Final answer
    x = 647,984.38

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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.