Home / 1,283,458.80-1,925,188.20-885,327.60

Finding the Fourth Proportional to 1,283,458.80, 1,925,188.20 and 885,327.60

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Solution

The fourth proportional to 1,283,458.80, 1,925,188.20 and 885,327.60 is: 1,327,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,458.80 : 1,925,188.20 = 885,327.60 : x
  2. Step 2: Convert to fraction form
    1,283,458.80/1,925,188.20 = 885,327.60/x
  3. Step 3: Cross multiply
    1,283,458.80x = 1,925,188.20 × 885,327.60
  4. Step 4: Simplify right side
    1,283,458.80x = 1,704,422,248,654.32
  5. Step 5: Solve for x
    x = 1,704,422,248,654.32/1,283,458.80
  6. Step 6: Final answer
    x = 1,327,991.40

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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.