Home / 1,267,380.46-1,749,192.60-723,538.90

Finding the Fourth Proportional to 1,267,380.46, 1,749,192.60 and 723,538.90

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Solution

The fourth proportional to 1,267,380.46, 1,749,192.60 and 723,538.90 is: 998,602.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,380.46 : 1,749,192.60 = 723,538.90 : x
  2. Step 2: Convert to fraction form
    1,267,380.46/1,749,192.60 = 723,538.90/x
  3. Step 3: Cross multiply
    1,267,380.46x = 1,749,192.60 × 723,538.90
  4. Step 4: Simplify right side
    1,267,380.46x = 1,265,608,889,692.14
  5. Step 5: Solve for x
    x = 1,265,608,889,692.14/1,267,380.46
  6. Step 6: Final answer
    x = 998,602.18

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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.