Home / 1,425,337.08-1,966,912.24-780,762.56

Finding the Fourth Proportional to 1,425,337.08, 1,966,912.24 and 780,762.56

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Solution

The fourth proportional to 1,425,337.08, 1,966,912.24 and 780,762.56 is: 1,077,423.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,337.08 : 1,966,912.24 = 780,762.56 : x
  2. Step 2: Convert to fraction form
    1,425,337.08/1,966,912.24 = 780,762.56/x
  3. Step 3: Cross multiply
    1,425,337.08x = 1,966,912.24 × 780,762.56
  4. Step 4: Simplify right side
    1,425,337.08x = 1,535,691,435,797.73
  5. Step 5: Solve for x
    x = 1,535,691,435,797.73/1,425,337.08
  6. Step 6: Final answer
    x = 1,077,423.34

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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.