Home / 746,670.70-1,120,006.05-185,705.20

Finding the Fourth Proportional to 746,670.70, 1,120,006.05 and 185,705.20

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Solution

The fourth proportional to 746,670.70, 1,120,006.05 and 185,705.20 is: 278,557.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,670.70 : 1,120,006.05 = 185,705.20 : x
  2. Step 2: Convert to fraction form
    746,670.70/1,120,006.05 = 185,705.20/x
  3. Step 3: Cross multiply
    746,670.70x = 1,120,006.05 × 185,705.20
  4. Step 4: Simplify right side
    746,670.70x = 207,990,947,516.46
  5. Step 5: Solve for x
    x = 207,990,947,516.46/746,670.70
  6. Step 6: Final answer
    x = 278,557.80

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Similar ratio
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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.