Home / 1,425,381.52-2,138,465.88-1,268,704.88

Finding the Fourth Proportional to 1,425,381.52, 2,138,465.88 and 1,268,704.88

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Solution

The fourth proportional to 1,425,381.52, 2,138,465.88 and 1,268,704.88 is: 1,903,407.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,381.52 : 2,138,465.88 = 1,268,704.88 : x
  2. Step 2: Convert to fraction form
    1,425,381.52/2,138,465.88 = 1,268,704.88/x
  3. Step 3: Cross multiply
    1,425,381.52x = 2,138,465.88 × 1,268,704.88
  4. Step 4: Simplify right side
    1,425,381.52x = 2,713,082,097,669.49
  5. Step 5: Solve for x
    x = 2,713,082,097,669.49/1,425,381.52
  6. Step 6: Final answer
    x = 1,903,407.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.