Home / 1,283,503.80-1,925,255.70-885,372.60

Finding the Fourth Proportional to 1,283,503.80, 1,925,255.70 and 885,372.60

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Solution

The fourth proportional to 1,283,503.80, 1,925,255.70 and 885,372.60 is: 1,328,058.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,503.80 : 1,925,255.70 = 885,372.60 : x
  2. Step 2: Convert to fraction form
    1,283,503.80/1,925,255.70 = 885,372.60/x
  3. Step 3: Cross multiply
    1,283,503.80x = 1,925,255.70 × 885,372.60
  4. Step 4: Simplify right side
    1,283,503.80x = 1,704,568,644,773.82
  5. Step 5: Solve for x
    x = 1,704,568,644,773.82/1,283,503.80
  6. Step 6: Final answer
    x = 1,328,058.90

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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.