Home / 1,202,482.78-1,659,422.64-679,136.11

Finding the Fourth Proportional to 1,202,482.78, 1,659,422.64 and 679,136.11

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Solution

The fourth proportional to 1,202,482.78, 1,659,422.64 and 679,136.11 is: 937,205.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,482.78 : 1,659,422.64 = 679,136.11 : x
  2. Step 2: Convert to fraction form
    1,202,482.78/1,659,422.64 = 679,136.11/x
  3. Step 3: Cross multiply
    1,202,482.78x = 1,659,422.64 × 679,136.11
  4. Step 4: Simplify right side
    1,202,482.78x = 1,126,973,836,575.53
  5. Step 5: Solve for x
    x = 1,126,973,836,575.53/1,202,482.78
  6. Step 6: Final answer
    x = 937,205.80

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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.