Home / 1,375,581.80-2,063,664.30-415,958.60

Finding the Fourth Proportional to 1,375,581.80, 2,063,664.30 and 415,958.60

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Solution

The fourth proportional to 1,375,581.80, 2,063,664.30 and 415,958.60 is: 624,026.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,581.80 : 2,063,664.30 = 415,958.60 : x
  2. Step 2: Convert to fraction form
    1,375,581.80/2,063,664.30 = 415,958.60/x
  3. Step 3: Cross multiply
    1,375,581.80x = 2,063,664.30 × 415,958.60
  4. Step 4: Simplify right side
    1,375,581.80x = 858,398,913,097.98
  5. Step 5: Solve for x
    x = 858,398,913,097.98/1,375,581.80
  6. Step 6: Final answer
    x = 624,026.08

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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.