Home / 672,351.40-1,008,527.10-667,685.80

Finding the Fourth Proportional to 672,351.40, 1,008,527.10 and 667,685.80

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Solution

The fourth proportional to 672,351.40, 1,008,527.10 and 667,685.80 is: 1,001,528.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,351.40 : 1,008,527.10 = 667,685.80 : x
  2. Step 2: Convert to fraction form
    672,351.40/1,008,527.10 = 667,685.80/x
  3. Step 3: Cross multiply
    672,351.40x = 1,008,527.10 × 667,685.80
  4. Step 4: Simplify right side
    672,351.40x = 673,379,223,585.18
  5. Step 5: Solve for x
    x = 673,379,223,585.18/672,351.40
  6. Step 6: Final answer
    x = 1,001,528.70

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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.