Home / 743,230.03-1,119,803.50-672,234.61

Finding the Fourth Proportional to 743,230.03, 1,119,803.50 and 672,234.61

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Solution

The fourth proportional to 743,230.03, 1,119,803.50 and 672,234.61 is: 1,012,836.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,230.03 : 1,119,803.50 = 672,234.61 : x
  2. Step 2: Convert to fraction form
    743,230.03/1,119,803.50 = 672,234.61/x
  3. Step 3: Cross multiply
    743,230.03x = 1,119,803.50 × 672,234.61
  4. Step 4: Simplify right side
    743,230.03x = 752,770,669,099.14
  5. Step 5: Solve for x
    x = 752,770,669,099.14/743,230.03
  6. Step 6: Final answer
    x = 1,012,836.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.