Home / 1,384,942.38-2,077,532.57-486,306.91

Finding the Fourth Proportional to 1,384,942.38, 2,077,532.57 and 486,306.91

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Solution

The fourth proportional to 1,384,942.38, 2,077,532.57 and 486,306.91 is: 729,502.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,942.38 : 2,077,532.57 = 486,306.91 : x
  2. Step 2: Convert to fraction form
    1,384,942.38/2,077,532.57 = 486,306.91/x
  3. Step 3: Cross multiply
    1,384,942.38x = 2,077,532.57 × 486,306.91
  4. Step 4: Simplify right side
    1,384,942.38x = 1,010,318,444,541.06
  5. Step 5: Solve for x
    x = 1,010,318,444,541.06/1,384,942.38
  6. Step 6: Final answer
    x = 729,502.15

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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.