Home / 1,123,102.10-1,685,236.35-492,079.70

Finding the Fourth Proportional to 1,123,102.10, 1,685,236.35 and 492,079.70

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Solution

The fourth proportional to 1,123,102.10, 1,685,236.35 and 492,079.70 is: 738,375.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,102.10 : 1,685,236.35 = 492,079.70 : x
  2. Step 2: Convert to fraction form
    1,123,102.10/1,685,236.35 = 492,079.70/x
  3. Step 3: Cross multiply
    1,123,102.10x = 1,685,236.35 × 492,079.70
  4. Step 4: Simplify right side
    1,123,102.10x = 829,270,597,537.10
  5. Step 5: Solve for x
    x = 829,270,597,537.10/1,123,102.10
  6. Step 6: Final answer
    x = 738,375.08

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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.