Home / 1,253,118.87-1,729,307.34-680,159.03

Finding the Fourth Proportional to 1,253,118.87, 1,729,307.34 and 680,159.03

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Solution

The fourth proportional to 1,253,118.87, 1,729,307.34 and 680,159.03 is: 938,621.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,118.87 : 1,729,307.34 = 680,159.03 : x
  2. Step 2: Convert to fraction form
    1,253,118.87/1,729,307.34 = 680,159.03/x
  3. Step 3: Cross multiply
    1,253,118.87x = 1,729,307.34 × 680,159.03
  4. Step 4: Simplify right side
    1,253,118.87x = 1,176,203,994,299.74
  5. Step 5: Solve for x
    x = 1,176,203,994,299.74/1,253,118.87
  6. Step 6: Final answer
    x = 938,621.25

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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.