Home / 1,375,152.80-2,063,020.80-415,529.60

Finding the Fourth Proportional to 1,375,152.80, 2,063,020.80 and 415,529.60

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Solution

The fourth proportional to 1,375,152.80, 2,063,020.80 and 415,529.60 is: 623,382.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,152.80 : 2,063,020.80 = 415,529.60 : x
  2. Step 2: Convert to fraction form
    1,375,152.80/2,063,020.80 = 415,529.60/x
  3. Step 3: Cross multiply
    1,375,152.80x = 2,063,020.80 × 415,529.60
  4. Step 4: Simplify right side
    1,375,152.80x = 857,246,207,815.68
  5. Step 5: Solve for x
    x = 857,246,207,815.68/1,375,152.80
  6. Step 6: Final answer
    x = 623,382.51

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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.