Home / 1,090,921.36-1,635,834.48-635,659.84

Finding the Fourth Proportional to 1,090,921.36, 1,635,834.48 and 635,659.84

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Solution

The fourth proportional to 1,090,921.36, 1,635,834.48 and 635,659.84 is: 953,170.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,921.36 : 1,635,834.48 = 635,659.84 : x
  2. Step 2: Convert to fraction form
    1,090,921.36/1,635,834.48 = 635,659.84/x
  3. Step 3: Cross multiply
    1,090,921.36x = 1,635,834.48 × 635,659.84
  4. Step 4: Simplify right side
    1,090,921.36x = 1,039,834,283,823.28
  5. Step 5: Solve for x
    x = 1,039,834,283,823.28/1,090,921.36
  6. Step 6: Final answer
    x = 953,170.71

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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.