Home / 1,419,840.16-1,959,383.52-775,265.92

Finding the Fourth Proportional to 1,419,840.16, 1,959,383.52 and 775,265.92

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Solution

The fourth proportional to 1,419,840.16, 1,959,383.52 and 775,265.92 is: 1,069,869.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,840.16 : 1,959,383.52 = 775,265.92 : x
  2. Step 2: Convert to fraction form
    1,419,840.16/1,959,383.52 = 775,265.92/x
  3. Step 3: Cross multiply
    1,419,840.16x = 1,959,383.52 × 775,265.92
  4. Step 4: Simplify right side
    1,419,840.16x = 1,519,043,267,265.64
  5. Step 5: Solve for x
    x = 1,519,043,267,265.64/1,419,840.16
  6. Step 6: Final answer
    x = 1,069,869.21

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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.