Home / 1,253,075.45-1,729,197.86-680,103.32

Finding the Fourth Proportional to 1,253,075.45, 1,729,197.86 and 680,103.32

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Solution

The fourth proportional to 1,253,075.45, 1,729,197.86 and 680,103.32 is: 938,517.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,075.45 : 1,729,197.86 = 680,103.32 : x
  2. Step 2: Convert to fraction form
    1,253,075.45/1,729,197.86 = 680,103.32/x
  3. Step 3: Cross multiply
    1,253,075.45x = 1,729,197.86 × 680,103.32
  4. Step 4: Simplify right side
    1,253,075.45x = 1,176,033,205,522.90
  5. Step 5: Solve for x
    x = 1,176,033,205,522.90/1,253,075.45
  6. Step 6: Final answer
    x = 938,517.47

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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.