Home / 904,719.87-1,363,433.76-814,875.21

Finding the Fourth Proportional to 904,719.87, 1,363,433.76 and 814,875.21

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Solution

The fourth proportional to 904,719.87, 1,363,433.76 and 814,875.21 is: 1,228,035.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,719.87 : 1,363,433.76 = 814,875.21 : x
  2. Step 2: Convert to fraction form
    904,719.87/1,363,433.76 = 814,875.21/x
  3. Step 3: Cross multiply
    904,719.87x = 1,363,433.76 × 814,875.21
  4. Step 4: Simplify right side
    904,719.87x = 1,111,028,371,501.09
  5. Step 5: Solve for x
    x = 1,111,028,371,501.09/904,719.87
  6. Step 6: Final answer
    x = 1,228,035.78

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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.