Home / 1,090,272.89-1,635,415.48-970,883.18

Finding the Fourth Proportional to 1,090,272.89, 1,635,415.48 and 970,883.18

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Solution

The fourth proportional to 1,090,272.89, 1,635,415.48 and 970,883.18 is: 1,456,330.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,272.89 : 1,635,415.48 = 970,883.18 : x
  2. Step 2: Convert to fraction form
    1,090,272.89/1,635,415.48 = 970,883.18/x
  3. Step 3: Cross multiply
    1,090,272.89x = 1,635,415.48 × 970,883.18
  4. Step 4: Simplify right side
    1,090,272.89x = 1,587,797,381,012.96
  5. Step 5: Solve for x
    x = 1,587,797,381,012.96/1,090,272.89
  6. Step 6: Final answer
    x = 1,456,330.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.