Home / 1,425,131.42-1,966,682.04-780,592.56

Finding the Fourth Proportional to 1,425,131.42, 1,966,682.04 and 780,592.56

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Solution

The fourth proportional to 1,425,131.42, 1,966,682.04 and 780,592.56 is: 1,077,218.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,131.42 : 1,966,682.04 = 780,592.56 : x
  2. Step 2: Convert to fraction form
    1,425,131.42/1,966,682.04 = 780,592.56/x
  3. Step 3: Cross multiply
    1,425,131.42x = 1,966,682.04 × 780,592.56
  4. Step 4: Simplify right side
    1,425,131.42x = 1,535,177,368,309.62
  5. Step 5: Solve for x
    x = 1,535,177,368,309.62/1,425,131.42
  6. Step 6: Final answer
    x = 1,077,218.11

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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.