Home / 904,720.87-1,363,435.27-814,876.21

Finding the Fourth Proportional to 904,720.87, 1,363,435.27 and 814,876.21

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Solution

The fourth proportional to 904,720.87, 1,363,435.27 and 814,876.21 is: 1,228,037.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,720.87 : 1,363,435.27 = 814,876.21 : x
  2. Step 2: Convert to fraction form
    904,720.87/1,363,435.27 = 814,876.21/x
  3. Step 3: Cross multiply
    904,720.87x = 1,363,435.27 × 814,876.21
  4. Step 4: Simplify right side
    904,720.87x = 1,111,030,965,397.93
  5. Step 5: Solve for x
    x = 1,111,030,965,397.93/904,720.87
  6. Step 6: Final answer
    x = 1,228,037.29

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.