Home / 1,200,486.88-1,656,684.76-656,611.04

Finding the Fourth Proportional to 1,200,486.88, 1,656,684.76 and 656,611.04

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Solution

The fourth proportional to 1,200,486.88, 1,656,684.76 and 656,611.04 is: 906,130.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,486.88 : 1,656,684.76 = 656,611.04 : x
  2. Step 2: Convert to fraction form
    1,200,486.88/1,656,684.76 = 656,611.04/x
  3. Step 3: Cross multiply
    1,200,486.88x = 1,656,684.76 × 656,611.04
  4. Step 4: Simplify right side
    1,200,486.88x = 1,087,797,503,215.75
  5. Step 5: Solve for x
    x = 1,087,797,503,215.75/1,200,486.88
  6. Step 6: Final answer
    x = 906,130.27

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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.