Home / 1,507,023.48-2,079,694.20-818,695.78

Finding the Fourth Proportional to 1,507,023.48, 2,079,694.20 and 818,695.78

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Solution

The fourth proportional to 1,507,023.48, 2,079,694.20 and 818,695.78 is: 1,129,801.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,023.48 : 2,079,694.20 = 818,695.78 : x
  2. Step 2: Convert to fraction form
    1,507,023.48/2,079,694.20 = 818,695.78/x
  3. Step 3: Cross multiply
    1,507,023.48x = 2,079,694.20 × 818,695.78
  4. Step 4: Simplify right side
    1,507,023.48x = 1,702,636,865,230.48
  5. Step 5: Solve for x
    x = 1,702,636,865,230.48/1,507,023.48
  6. Step 6: Final answer
    x = 1,129,801.15

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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.