Home / 1,202,202.80-1,659,040.27-658,372.40

Finding the Fourth Proportional to 1,202,202.80, 1,659,040.27 and 658,372.40

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Solution

The fourth proportional to 1,202,202.80, 1,659,040.27 and 658,372.40 is: 908,554.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,202.80 : 1,659,040.27 = 658,372.40 : x
  2. Step 2: Convert to fraction form
    1,202,202.80/1,659,040.27 = 658,372.40/x
  3. Step 3: Cross multiply
    1,202,202.80x = 1,659,040.27 × 658,372.40
  4. Step 4: Simplify right side
    1,202,202.80x = 1,092,266,314,315.42
  5. Step 5: Solve for x
    x = 1,092,266,314,315.42/1,202,202.80
  6. Step 6: Final answer
    x = 908,554.13

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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.