Home / 1,506,836.25-2,079,471.56-818,507.90

Finding the Fourth Proportional to 1,506,836.25, 2,079,471.56 and 818,507.90

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Solution

The fourth proportional to 1,506,836.25, 2,079,471.56 and 818,507.90 is: 1,129,561.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506,836.25 : 2,079,471.56 = 818,507.90 : x
  2. Step 2: Convert to fraction form
    1,506,836.25/2,079,471.56 = 818,507.90/x
  3. Step 3: Cross multiply
    1,506,836.25x = 2,079,471.56 × 818,507.90
  4. Step 4: Simplify right side
    1,506,836.25x = 1,702,063,900,791.46
  5. Step 5: Solve for x
    x = 1,702,063,900,791.46/1,506,836.25
  6. Step 6: Final answer
    x = 1,129,561.29

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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.