Home / 1,200,375.98-1,798,564.88-844,642.64

Finding the Fourth Proportional to 1,200,375.98, 1,798,564.88 and 844,642.64

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Solution

The fourth proportional to 1,200,375.98, 1,798,564.88 and 844,642.64 is: 1,265,557.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,375.98 : 1,798,564.88 = 844,642.64 : x
  2. Step 2: Convert to fraction form
    1,200,375.98/1,798,564.88 = 844,642.64/x
  3. Step 3: Cross multiply
    1,200,375.98x = 1,798,564.88 × 844,642.64
  4. Step 4: Simplify right side
    1,200,375.98x = 1,519,144,588,454.48
  5. Step 5: Solve for x
    x = 1,519,144,588,454.48/1,200,375.98
  6. Step 6: Final answer
    x = 1,265,557.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.