Home / 1,388,033.60-2,081,540.42-476,957.70

Finding the Fourth Proportional to 1,388,033.60, 2,081,540.42 and 476,957.70

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Solution

The fourth proportional to 1,388,033.60, 2,081,540.42 and 476,957.70 is: 715,261.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,033.60 : 2,081,540.42 = 476,957.70 : x
  2. Step 2: Convert to fraction form
    1,388,033.60/2,081,540.42 = 476,957.70/x
  3. Step 3: Cross multiply
    1,388,033.60x = 2,081,540.42 × 476,957.70
  4. Step 4: Simplify right side
    1,388,033.60x = 992,806,731,180.23
  5. Step 5: Solve for x
    x = 992,806,731,180.23/1,388,033.60
  6. Step 6: Final answer
    x = 715,261.31

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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.