Home / 672,031.20-1,008,046.80-667,365.60

Finding the Fourth Proportional to 672,031.20, 1,008,046.80 and 667,365.60

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Solution

The fourth proportional to 672,031.20, 1,008,046.80 and 667,365.60 is: 1,001,048.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,031.20 : 1,008,046.80 = 667,365.60 : x
  2. Step 2: Convert to fraction form
    672,031.20/1,008,046.80 = 667,365.60/x
  3. Step 3: Cross multiply
    672,031.20x = 1,008,046.80 × 667,365.60
  4. Step 4: Simplify right side
    672,031.20x = 672,735,757,510.08
  5. Step 5: Solve for x
    x = 672,735,757,510.08/672,031.20
  6. Step 6: Final answer
    x = 1,001,048.40

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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.