Home / 1,123,604.60-1,685,406.90-324,912.20

Finding the Fourth Proportional to 1,123,604.60, 1,685,406.90 and 324,912.20

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Solution

The fourth proportional to 1,123,604.60, 1,685,406.90 and 324,912.20 is: 487,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,604.60 : 1,685,406.90 = 324,912.20 : x
  2. Step 2: Convert to fraction form
    1,123,604.60/1,685,406.90 = 324,912.20/x
  3. Step 3: Cross multiply
    1,123,604.60x = 1,685,406.90 × 324,912.20
  4. Step 4: Simplify right side
    1,123,604.60x = 547,609,263,774.18
  5. Step 5: Solve for x
    x = 547,609,263,774.18/1,123,604.60
  6. Step 6: Final answer
    x = 487,368.30

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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.