Home / 827,101.80-1,240,652.70-753,618.60

Finding the Fourth Proportional to 827,101.80, 1,240,652.70 and 753,618.60

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Solution

The fourth proportional to 827,101.80, 1,240,652.70 and 753,618.60 is: 1,130,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,101.80 : 1,240,652.70 = 753,618.60 : x
  2. Step 2: Convert to fraction form
    827,101.80/1,240,652.70 = 753,618.60/x
  3. Step 3: Cross multiply
    827,101.80x = 1,240,652.70 × 753,618.60
  4. Step 4: Simplify right side
    827,101.80x = 934,978,950,860.22
  5. Step 5: Solve for x
    x = 934,978,950,860.22/827,101.80
  6. Step 6: Final answer
    x = 1,130,427.90

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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.