Home / 1,253,075.01-1,729,197.26-680,102.88

Finding the Fourth Proportional to 1,253,075.01, 1,729,197.26 and 680,102.88

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Solution

The fourth proportional to 1,253,075.01, 1,729,197.26 and 680,102.88 is: 938,516.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,075.01 : 1,729,197.26 = 680,102.88 : x
  2. Step 2: Convert to fraction form
    1,253,075.01/1,729,197.26 = 680,102.88/x
  3. Step 3: Cross multiply
    1,253,075.01x = 1,729,197.26 × 680,102.88
  4. Step 4: Simplify right side
    1,253,075.01x = 1,176,032,033,213.59
  5. Step 5: Solve for x
    x = 1,176,032,033,213.59/1,253,075.01
  6. Step 6: Final answer
    x = 938,516.87

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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.