Home / 1,269,692.34-1,752,174.48-725,840.11

Finding the Fourth Proportional to 1,269,692.34, 1,752,174.48 and 725,840.11

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Solution

The fourth proportional to 1,269,692.34, 1,752,174.48 and 725,840.11 is: 1,001,658.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,692.34 : 1,752,174.48 = 725,840.11 : x
  2. Step 2: Convert to fraction form
    1,269,692.34/1,752,174.48 = 725,840.11/x
  3. Step 3: Cross multiply
    1,269,692.34x = 1,752,174.48 × 725,840.11
  4. Step 4: Simplify right side
    1,269,692.34x = 1,271,798,517,302.39
  5. Step 5: Solve for x
    x = 1,271,798,517,302.39/1,269,692.34
  6. Step 6: Final answer
    x = 1,001,658.81

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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.