Home / 1,310,823.27-1,966,446.33-387,672.75

Finding the Fourth Proportional to 1,310,823.27, 1,966,446.33 and 387,672.75

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Solution

The fourth proportional to 1,310,823.27, 1,966,446.33 and 387,672.75 is: 581,571.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,823.27 : 1,966,446.33 = 387,672.75 : x
  2. Step 2: Convert to fraction form
    1,310,823.27/1,966,446.33 = 387,672.75/x
  3. Step 3: Cross multiply
    1,310,823.27x = 1,966,446.33 × 387,672.75
  4. Step 4: Simplify right side
    1,310,823.27x = 762,337,656,478.51
  5. Step 5: Solve for x
    x = 762,337,656,478.51/1,310,823.27
  6. Step 6: Final answer
    x = 581,571.65

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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.