Home / 672,028.40-1,008,042.61-667,362.80

Finding the Fourth Proportional to 672,028.40, 1,008,042.61 and 667,362.80

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Solution

The fourth proportional to 672,028.40, 1,008,042.61 and 667,362.80 is: 1,001,044.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,028.40 : 1,008,042.61 = 667,362.80 : x
  2. Step 2: Convert to fraction form
    672,028.40/1,008,042.61 = 667,362.80/x
  3. Step 3: Cross multiply
    672,028.40x = 1,008,042.61 × 667,362.80
  4. Step 4: Simplify right side
    672,028.40x = 672,730,138,728.91
  5. Step 5: Solve for x
    x = 672,730,138,728.91/672,028.40
  6. Step 6: Final answer
    x = 1,001,044.21

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1.5x scale

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.