Home / 1,310,697.18-1,965,388.19-763,766.75

Finding the Fourth Proportional to 1,310,697.18, 1,965,388.19 and 763,766.75

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Solution

The fourth proportional to 1,310,697.18, 1,965,388.19 and 763,766.75 is: 1,145,266.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,697.18 : 1,965,388.19 = 763,766.75 : x
  2. Step 2: Convert to fraction form
    1,310,697.18/1,965,388.19 = 763,766.75/x
  3. Step 3: Cross multiply
    1,310,697.18x = 1,965,388.19 × 763,766.75
  4. Step 4: Simplify right side
    1,310,697.18x = 1,501,098,151,459.32
  5. Step 5: Solve for x
    x = 1,501,098,151,459.32/1,310,697.18
  6. Step 6: Final answer
    x = 1,145,266.94

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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.