Home / 1,332,396-1,838,732.40-728,796.96

Finding the Fourth Proportional to 1,332,396, 1,838,732.40 and 728,796.96

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Solution

The fourth proportional to 1,332,396, 1,838,732.40 and 728,796.96 is: 1,005,753.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,396 : 1,838,732.40 = 728,796.96 : x
  2. Step 2: Convert to fraction form
    1,332,396/1,838,732.40 = 728,796.96/x
  3. Step 3: Cross multiply
    1,332,396x = 1,838,732.40 × 728,796.96
  4. Step 4: Simplify right side
    1,332,396x = 1,340,062,583,373.50
  5. Step 5: Solve for x
    x = 1,340,062,583,373.50/1,332,396
  6. Step 6: Final answer
    x = 1,005,753.98

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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.