Home / 1,008,079.65-1,512,119.48-672,156.45

Finding the Fourth Proportional to 1,008,079.65, 1,512,119.48 and 672,156.45

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Solution

The fourth proportional to 1,008,079.65, 1,512,119.48 and 672,156.45 is: 1,008,234.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,079.65 : 1,512,119.48 = 672,156.45 : x
  2. Step 2: Convert to fraction form
    1,008,079.65/1,512,119.48 = 672,156.45/x
  3. Step 3: Cross multiply
    1,008,079.65x = 1,512,119.48 × 672,156.45
  4. Step 4: Simplify right side
    1,008,079.65x = 1,016,380,858,291.86
  5. Step 5: Solve for x
    x = 1,016,380,858,291.86/1,008,079.65
  6. Step 6: Final answer
    x = 1,008,234.68

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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.