Home / 1,253,075.95-1,729,198.55-680,103.82

Finding the Fourth Proportional to 1,253,075.95, 1,729,198.55 and 680,103.82

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Solution

The fourth proportional to 1,253,075.95, 1,729,198.55 and 680,103.82 is: 938,518.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,075.95 : 1,729,198.55 = 680,103.82 : x
  2. Step 2: Convert to fraction form
    1,253,075.95/1,729,198.55 = 680,103.82/x
  3. Step 3: Cross multiply
    1,253,075.95x = 1,729,198.55 × 680,103.82
  4. Step 4: Simplify right side
    1,253,075.95x = 1,176,034,539,393.46
  5. Step 5: Solve for x
    x = 1,176,034,539,393.46/1,253,075.95
  6. Step 6: Final answer
    x = 938,518.16

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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.