Home / 1,305,126.17-1,801,086.40-732,178.64

Finding the Fourth Proportional to 1,305,126.17, 1,801,086.40 and 732,178.64

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Solution

The fourth proportional to 1,305,126.17, 1,801,086.40 and 732,178.64 is: 1,010,413.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,126.17 : 1,801,086.40 = 732,178.64 : x
  2. Step 2: Convert to fraction form
    1,305,126.17/1,801,086.40 = 732,178.64/x
  3. Step 3: Cross multiply
    1,305,126.17x = 1,801,086.40 × 732,178.64
  4. Step 4: Simplify right side
    1,305,126.17x = 1,318,716,987,213.60
  5. Step 5: Solve for x
    x = 1,318,716,987,213.60/1,305,126.17
  6. Step 6: Final answer
    x = 1,010,413.41

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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.