Home / 1,320,692.73-1,822,563.23-717,080.73

Finding the Fourth Proportional to 1,320,692.73, 1,822,563.23 and 717,080.73

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Solution

The fourth proportional to 1,320,692.73, 1,822,563.23 and 717,080.73 is: 989,575.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,692.73 : 1,822,563.23 = 717,080.73 : x
  2. Step 2: Convert to fraction form
    1,320,692.73/1,822,563.23 = 717,080.73/x
  3. Step 3: Cross multiply
    1,320,692.73x = 1,822,563.23 × 717,080.73
  4. Step 4: Simplify right side
    1,320,692.73x = 1,306,924,967,854.15
  5. Step 5: Solve for x
    x = 1,306,924,967,854.15/1,320,692.73
  6. Step 6: Final answer
    x = 989,575.35

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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.