Home / 1,198,692.04-1,654,245.48-689,395

Finding the Fourth Proportional to 1,198,692.04, 1,654,245.48 and 689,395

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Solution

The fourth proportional to 1,198,692.04, 1,654,245.48 and 689,395 is: 951,394.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,692.04 : 1,654,245.48 = 689,395 : x
  2. Step 2: Convert to fraction form
    1,198,692.04/1,654,245.48 = 689,395/x
  3. Step 3: Cross multiply
    1,198,692.04x = 1,654,245.48 × 689,395
  4. Step 4: Simplify right side
    1,198,692.04x = 1,140,428,562,684.60
  5. Step 5: Solve for x
    x = 1,140,428,562,684.60/1,198,692.04
  6. Step 6: Final answer
    x = 951,394.12

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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.