Home / 1,252,915.89-1,729,024.83-679,955.91

Finding the Fourth Proportional to 1,252,915.89, 1,729,024.83 and 679,955.91

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Solution

The fourth proportional to 1,252,915.89, 1,729,024.83 and 679,955.91 is: 938,339.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,915.89 : 1,729,024.83 = 679,955.91 : x
  2. Step 2: Convert to fraction form
    1,252,915.89/1,729,024.83 = 679,955.91/x
  3. Step 3: Cross multiply
    1,252,915.89x = 1,729,024.83 × 679,955.91
  4. Step 4: Simplify right side
    1,252,915.89x = 1,175,660,651,695.25
  5. Step 5: Solve for x
    x = 1,175,660,651,695.25/1,252,915.89
  6. Step 6: Final answer
    x = 938,339.65

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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.