Home / 1,490,425.72-2,056,781.62-836,961.04

Finding the Fourth Proportional to 1,490,425.72, 2,056,781.62 and 836,961.04

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Solution

The fourth proportional to 1,490,425.72, 2,056,781.62 and 836,961.04 is: 1,155,002.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,425.72 : 2,056,781.62 = 836,961.04 : x
  2. Step 2: Convert to fraction form
    1,490,425.72/2,056,781.62 = 836,961.04/x
  3. Step 3: Cross multiply
    1,490,425.72x = 2,056,781.62 × 836,961.04
  4. Step 4: Simplify right side
    1,490,425.72x = 1,721,446,083,728.09
  5. Step 5: Solve for x
    x = 1,721,446,083,728.09/1,490,425.72
  6. Step 6: Final answer
    x = 1,155,002.94

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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.