Home / 1,284,575.36-1,772,720.76-725,772.24

Finding the Fourth Proportional to 1,284,575.36, 1,772,720.76 and 725,772.24

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Solution

The fourth proportional to 1,284,575.36, 1,772,720.76 and 725,772.24 is: 1,001,569.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,575.36 : 1,772,720.76 = 725,772.24 : x
  2. Step 2: Convert to fraction form
    1,284,575.36/1,772,720.76 = 725,772.24/x
  3. Step 3: Cross multiply
    1,284,575.36x = 1,772,720.76 × 725,772.24
  4. Step 4: Simplify right side
    1,284,575.36x = 1,286,591,516,879.70
  5. Step 5: Solve for x
    x = 1,286,591,516,879.70/1,284,575.36
  6. Step 6: Final answer
    x = 1,001,569.51

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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.