Home / 1,146,757.40-1,717,770.90-672,003.80

Finding the Fourth Proportional to 1,146,757.40, 1,717,770.90 and 672,003.80

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Solution

The fourth proportional to 1,146,757.40, 1,717,770.90 and 672,003.80 is: 1,006,619.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,757.40 : 1,717,770.90 = 672,003.80 : x
  2. Step 2: Convert to fraction form
    1,146,757.40/1,717,770.90 = 672,003.80/x
  3. Step 3: Cross multiply
    1,146,757.40x = 1,717,770.90 × 672,003.80
  4. Step 4: Simplify right side
    1,146,757.40x = 1,154,348,572,329.42
  5. Step 5: Solve for x
    x = 1,154,348,572,329.42/1,146,757.40
  6. Step 6: Final answer
    x = 1,006,619.68

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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.