Home / 1,419,903.60-1,959,474.15-775,323.78

Finding the Fourth Proportional to 1,419,903.60, 1,959,474.15 and 775,323.78

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Solution

The fourth proportional to 1,419,903.60, 1,959,474.15 and 775,323.78 is: 1,069,950.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,903.60 : 1,959,474.15 = 775,323.78 : x
  2. Step 2: Convert to fraction form
    1,419,903.60/1,959,474.15 = 775,323.78/x
  3. Step 3: Cross multiply
    1,419,903.60x = 1,959,474.15 × 775,323.78
  4. Step 4: Simplify right side
    1,419,903.60x = 1,519,226,904,790.29
  5. Step 5: Solve for x
    x = 1,519,226,904,790.29/1,419,903.60
  6. Step 6: Final answer
    x = 1,069,950.74

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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.