Home / 1,284,749.60-1,925,022.03-777,773.94

Finding the Fourth Proportional to 1,284,749.60, 1,925,022.03 and 777,773.94

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Solution

The fourth proportional to 1,284,749.60, 1,925,022.03 and 777,773.94 is: 1,165,388.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,749.60 : 1,925,022.03 = 777,773.94 : x
  2. Step 2: Convert to fraction form
    1,284,749.60/1,925,022.03 = 777,773.94/x
  3. Step 3: Cross multiply
    1,284,749.60x = 1,925,022.03 × 777,773.94
  4. Step 4: Simplify right side
    1,284,749.60x = 1,497,231,968,859.90
  5. Step 5: Solve for x
    x = 1,497,231,968,859.90/1,284,749.60
  6. Step 6: Final answer
    x = 1,165,388.16

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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.