Home / 1,090,421.62-1,504,951.04-655,081.32

Finding the Fourth Proportional to 1,090,421.62, 1,504,951.04 and 655,081.32

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Solution

The fourth proportional to 1,090,421.62, 1,504,951.04 and 655,081.32 is: 904,113.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,421.62 : 1,504,951.04 = 655,081.32 : x
  2. Step 2: Convert to fraction form
    1,090,421.62/1,504,951.04 = 655,081.32/x
  3. Step 3: Cross multiply
    1,090,421.62x = 1,504,951.04 × 655,081.32
  4. Step 4: Simplify right side
    1,090,421.62x = 985,865,321,099.84
  5. Step 5: Solve for x
    x = 985,865,321,099.84/1,090,421.62
  6. Step 6: Final answer
    x = 904,113.88

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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.