Home / 869,938.26-1,200,434.13-487,891.14

Finding the Fourth Proportional to 869,938.26, 1,200,434.13 and 487,891.14

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Solution

The fourth proportional to 869,938.26, 1,200,434.13 and 487,891.14 is: 673,244.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,938.26 : 1,200,434.13 = 487,891.14 : x
  2. Step 2: Convert to fraction form
    869,938.26/1,200,434.13 = 487,891.14/x
  3. Step 3: Cross multiply
    869,938.26x = 1,200,434.13 × 487,891.14
  4. Step 4: Simplify right side
    869,938.26x = 585,681,176,180.61
  5. Step 5: Solve for x
    x = 585,681,176,180.61/869,938.26
  6. Step 6: Final answer
    x = 673,244.53

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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.