Home / 749,456.70-1,120,904.55-670,068.60

Finding the Fourth Proportional to 749,456.70, 1,120,904.55 and 670,068.60

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Solution

The fourth proportional to 749,456.70, 1,120,904.55 and 670,068.60 is: 1,002,169.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,456.70 : 1,120,904.55 = 670,068.60 : x
  2. Step 2: Convert to fraction form
    749,456.70/1,120,904.55 = 670,068.60/x
  3. Step 3: Cross multiply
    749,456.70x = 1,120,904.55 × 670,068.60
  4. Step 4: Simplify right side
    749,456.70x = 751,082,942,552.13
  5. Step 5: Solve for x
    x = 751,082,942,552.13/749,456.70
  6. Step 6: Final answer
    x = 1,002,169.90

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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.