Home / 1,494,841.50-2,062,880.70-815,778

Finding the Fourth Proportional to 1,494,841.50, 2,062,880.70 and 815,778

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Solution

The fourth proportional to 1,494,841.50, 2,062,880.70 and 815,778 is: 1,125,773.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,841.50 : 2,062,880.70 = 815,778 : x
  2. Step 2: Convert to fraction form
    1,494,841.50/2,062,880.70 = 815,778/x
  3. Step 3: Cross multiply
    1,494,841.50x = 2,062,880.70 × 815,778
  4. Step 4: Simplify right side
    1,494,841.50x = 1,682,852,691,684.60
  5. Step 5: Solve for x
    x = 1,682,852,691,684.60/1,494,841.50
  6. Step 6: Final answer
    x = 1,125,773.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.