Home / 1,146,988.40-1,718,117.40-672,234.80

Finding the Fourth Proportional to 1,146,988.40, 1,718,117.40 and 672,234.80

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Solution

The fourth proportional to 1,146,988.40, 1,718,117.40 and 672,234.80 is: 1,006,965.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,988.40 : 1,718,117.40 = 672,234.80 : x
  2. Step 2: Convert to fraction form
    1,146,988.40/1,718,117.40 = 672,234.80/x
  3. Step 3: Cross multiply
    1,146,988.40x = 1,718,117.40 × 672,234.80
  4. Step 4: Simplify right side
    1,146,988.40x = 1,154,978,306,765.52
  5. Step 5: Solve for x
    x = 1,154,978,306,765.52/1,146,988.40
  6. Step 6: Final answer
    x = 1,006,965.99

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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.