Home / 1,180,470.84-1,629,046.38-643,923

Finding the Fourth Proportional to 1,180,470.84, 1,629,046.38 and 643,923

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Solution

The fourth proportional to 1,180,470.84, 1,629,046.38 and 643,923 is: 888,611.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,470.84 : 1,629,046.38 = 643,923 : x
  2. Step 2: Convert to fraction form
    1,180,470.84/1,629,046.38 = 643,923/x
  3. Step 3: Cross multiply
    1,180,470.84x = 1,629,046.38 × 643,923
  4. Step 4: Simplify right side
    1,180,470.84x = 1,048,980,432,148.74
  5. Step 5: Solve for x
    x = 1,048,980,432,148.74/1,180,470.84
  6. Step 6: Final answer
    x = 888,611.90

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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.