Home / 1,123,790.10-1,685,685.15-325,097.70

Finding the Fourth Proportional to 1,123,790.10, 1,685,685.15 and 325,097.70

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Solution

The fourth proportional to 1,123,790.10, 1,685,685.15 and 325,097.70 is: 487,646.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,790.10 : 1,685,685.15 = 325,097.70 : x
  2. Step 2: Convert to fraction form
    1,123,790.10/1,685,685.15 = 325,097.70/x
  3. Step 3: Cross multiply
    1,123,790.10x = 1,685,685.15 × 325,097.70
  4. Step 4: Simplify right side
    1,123,790.10x = 548,012,365,189.16
  5. Step 5: Solve for x
    x = 548,012,365,189.16/1,123,790.10
  6. Step 6: Final answer
    x = 487,646.55

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Similar ratio
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1.5x scale

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.