Home / 1,269,825.66-1,752,438.15-839,359.26

Finding the Fourth Proportional to 1,269,825.66, 1,752,438.15 and 839,359.26

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Solution

The fourth proportional to 1,269,825.66, 1,752,438.15 and 839,359.26 is: 1,158,367.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,825.66 : 1,752,438.15 = 839,359.26 : x
  2. Step 2: Convert to fraction form
    1,269,825.66/1,752,438.15 = 839,359.26/x
  3. Step 3: Cross multiply
    1,269,825.66x = 1,752,438.15 × 839,359.26
  4. Step 4: Simplify right side
    1,269,825.66x = 1,470,925,188,779.77
  5. Step 5: Solve for x
    x = 1,470,925,188,779.77/1,269,825.66
  6. Step 6: Final answer
    x = 1,158,367.83

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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.