Home / 1,072,668.57-1,479,859.38-690,916.92

Finding the Fourth Proportional to 1,072,668.57, 1,479,859.38 and 690,916.92

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Solution

The fourth proportional to 1,072,668.57, 1,479,859.38 and 690,916.92 is: 953,192.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,668.57 : 1,479,859.38 = 690,916.92 : x
  2. Step 2: Convert to fraction form
    1,072,668.57/1,479,859.38 = 690,916.92/x
  3. Step 3: Cross multiply
    1,072,668.57x = 1,479,859.38 × 690,916.92
  4. Step 4: Simplify right side
    1,072,668.57x = 1,022,459,884,862.71
  5. Step 5: Solve for x
    x = 1,022,459,884,862.71/1,072,668.57
  6. Step 6: Final answer
    x = 953,192.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.