Home / 827,409.40-1,241,114.10-788,918.20

Finding the Fourth Proportional to 827,409.40, 1,241,114.10 and 788,918.20

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Solution

The fourth proportional to 827,409.40, 1,241,114.10 and 788,918.20 is: 1,183,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,409.40 : 1,241,114.10 = 788,918.20 : x
  2. Step 2: Convert to fraction form
    827,409.40/1,241,114.10 = 788,918.20/x
  3. Step 3: Cross multiply
    827,409.40x = 1,241,114.10 × 788,918.20
  4. Step 4: Simplify right side
    827,409.40x = 979,137,501,766.62
  5. Step 5: Solve for x
    x = 979,137,501,766.62/827,409.40
  6. Step 6: Final answer
    x = 1,183,377.30

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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.