Home / 1,507,086.11-2,079,781.30-818,760.67

Finding the Fourth Proportional to 1,507,086.11, 2,079,781.30 and 818,760.67

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Solution

The fourth proportional to 1,507,086.11, 2,079,781.30 and 818,760.67 is: 1,129,891.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,086.11 : 2,079,781.30 = 818,760.67 : x
  2. Step 2: Convert to fraction form
    1,507,086.11/2,079,781.30 = 818,760.67/x
  3. Step 3: Cross multiply
    1,507,086.11x = 2,079,781.30 × 818,760.67
  4. Step 4: Simplify right side
    1,507,086.11x = 1,702,843,126,465.47
  5. Step 5: Solve for x
    x = 1,702,843,126,465.47/1,507,086.11
  6. Step 6: Final answer
    x = 1,129,891.06

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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.