Home / 672,920.90-1,009,932.15-667,672.10

Finding the Fourth Proportional to 672,920.90, 1,009,932.15 and 667,672.10

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Solution

The fourth proportional to 672,920.90, 1,009,932.15 and 667,672.10 is: 1,002,054.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,920.90 : 1,009,932.15 = 667,672.10 : x
  2. Step 2: Convert to fraction form
    672,920.90/1,009,932.15 = 667,672.10/x
  3. Step 3: Cross multiply
    672,920.90x = 1,009,932.15 × 667,672.10
  4. Step 4: Simplify right side
    672,920.90x = 674,303,519,448.02
  5. Step 5: Solve for x
    x = 674,303,519,448.02/672,920.90
  6. Step 6: Final answer
    x = 1,002,054.65

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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.