Home / 1,510,719.96-2,084,793.47-822,396.78

Finding the Fourth Proportional to 1,510,719.96, 2,084,793.47 and 822,396.78

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Solution

The fourth proportional to 1,510,719.96, 2,084,793.47 and 822,396.78 is: 1,134,907.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,719.96 : 2,084,793.47 = 822,396.78 : x
  2. Step 2: Convert to fraction form
    1,510,719.96/2,084,793.47 = 822,396.78/x
  3. Step 3: Cross multiply
    1,510,719.96x = 2,084,793.47 × 822,396.78
  4. Step 4: Simplify right side
    1,510,719.96x = 1,714,527,432,581.04
  5. Step 5: Solve for x
    x = 1,714,527,432,581.04/1,510,719.96
  6. Step 6: Final answer
    x = 1,134,907.51

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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.