Home / 1,385,299.27-2,077,948.79-702,079.70

Finding the Fourth Proportional to 1,385,299.27, 2,077,948.79 and 702,079.70

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Solution

The fourth proportional to 1,385,299.27, 2,077,948.79 and 702,079.70 is: 1,053,119.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,299.27 : 2,077,948.79 = 702,079.70 : x
  2. Step 2: Convert to fraction form
    1,385,299.27/2,077,948.79 = 702,079.70/x
  3. Step 3: Cross multiply
    1,385,299.27x = 2,077,948.79 × 702,079.70
  4. Step 4: Simplify right side
    1,385,299.27x = 1,458,885,663,098.56
  5. Step 5: Solve for x
    x = 1,458,885,663,098.56/1,385,299.27
  6. Step 6: Final answer
    x = 1,053,119.49

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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.