Home / 1,245,915.26-1,719,364.28-672,955.43

Finding the Fourth Proportional to 1,245,915.26, 1,719,364.28 and 672,955.43

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Solution

The fourth proportional to 1,245,915.26, 1,719,364.28 and 672,955.43 is: 928,679.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,915.26 : 1,719,364.28 = 672,955.43 : x
  2. Step 2: Convert to fraction form
    1,245,915.26/1,719,364.28 = 672,955.43/x
  3. Step 3: Cross multiply
    1,245,915.26x = 1,719,364.28 × 672,955.43
  4. Step 4: Simplify right side
    1,245,915.26x = 1,157,055,522,860.06
  5. Step 5: Solve for x
    x = 1,157,055,522,860.06/1,245,915.26
  6. Step 6: Final answer
    x = 928,679.15

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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.