Home / 1,192,121.28-1,645,094.56-655,577.28

Finding the Fourth Proportional to 1,192,121.28, 1,645,094.56 and 655,577.28

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Solution

The fourth proportional to 1,192,121.28, 1,645,094.56 and 655,577.28 is: 904,678.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,121.28 : 1,645,094.56 = 655,577.28 : x
  2. Step 2: Convert to fraction form
    1,192,121.28/1,645,094.56 = 655,577.28/x
  3. Step 3: Cross multiply
    1,192,121.28x = 1,645,094.56 × 655,577.28
  4. Step 4: Simplify right side
    1,192,121.28x = 1,078,486,616,987.60
  5. Step 5: Solve for x
    x = 1,078,486,616,987.60/1,192,121.28
  6. Step 6: Final answer
    x = 904,678.61

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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.