Home / 1,388,634.80-2,082,433.80-966,657.20

Finding the Fourth Proportional to 1,388,634.80, 2,082,433.80 and 966,657.20

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Solution

The fourth proportional to 1,388,634.80, 2,082,433.80 and 966,657.20 is: 1,449,624.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,634.80 : 2,082,433.80 = 966,657.20 : x
  2. Step 2: Convert to fraction form
    1,388,634.80/2,082,433.80 = 966,657.20/x
  3. Step 3: Cross multiply
    1,388,634.80x = 2,082,433.80 × 966,657.20
  4. Step 4: Simplify right side
    1,388,634.80x = 2,012,999,626,293.36
  5. Step 5: Solve for x
    x = 2,012,999,626,293.36/1,388,634.80
  6. Step 6: Final answer
    x = 1,449,624.93

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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.