Home / 672,913.40-1,009,920.90-667,664.60

Finding the Fourth Proportional to 672,913.40, 1,009,920.90 and 667,664.60

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Solution

The fourth proportional to 672,913.40, 1,009,920.90 and 667,664.60 is: 1,002,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,913.40 : 1,009,920.90 = 667,664.60 : x
  2. Step 2: Convert to fraction form
    672,913.40/1,009,920.90 = 667,664.60/x
  3. Step 3: Cross multiply
    672,913.40x = 1,009,920.90 × 667,664.60
  4. Step 4: Simplify right side
    672,913.40x = 674,288,433,730.14
  5. Step 5: Solve for x
    x = 674,288,433,730.14/672,913.40
  6. Step 6: Final answer
    x = 1,002,043.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.