Home / 1,268,690.18-1,902,740.73-756,498.34

Finding the Fourth Proportional to 1,268,690.18, 1,902,740.73 and 756,498.34

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Solution

The fourth proportional to 1,268,690.18, 1,902,740.73 and 756,498.34 is: 1,134,571.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,690.18 : 1,902,740.73 = 756,498.34 : x
  2. Step 2: Convert to fraction form
    1,268,690.18/1,902,740.73 = 756,498.34/x
  3. Step 3: Cross multiply
    1,268,690.18x = 1,902,740.73 × 756,498.34
  4. Step 4: Simplify right side
    1,268,690.18x = 1,439,420,196,124.52
  5. Step 5: Solve for x
    x = 1,439,420,196,124.52/1,268,690.18
  6. Step 6: Final answer
    x = 1,134,571.88

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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.