Home / 1,205,692.88-1,663,858.55-715,760.66

Finding the Fourth Proportional to 1,205,692.88, 1,663,858.55 and 715,760.66

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Solution

The fourth proportional to 1,205,692.88, 1,663,858.55 and 715,760.66 is: 987,751.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,692.88 : 1,663,858.55 = 715,760.66 : x
  2. Step 2: Convert to fraction form
    1,205,692.88/1,663,858.55 = 715,760.66/x
  3. Step 3: Cross multiply
    1,205,692.88x = 1,663,858.55 × 715,760.66
  4. Step 4: Simplify right side
    1,205,692.88x = 1,190,924,481,996.55
  5. Step 5: Solve for x
    x = 1,190,924,481,996.55/1,205,692.88
  6. Step 6: Final answer
    x = 987,751.12

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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.