Home / 1,419,787.59-1,959,292.04-775,205.79

Finding the Fourth Proportional to 1,419,787.59, 1,959,292.04 and 775,205.79

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Solution

The fourth proportional to 1,419,787.59, 1,959,292.04 and 775,205.79 is: 1,069,775.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,787.59 : 1,959,292.04 = 775,205.79 : x
  2. Step 2: Convert to fraction form
    1,419,787.59/1,959,292.04 = 775,205.79/x
  3. Step 3: Cross multiply
    1,419,787.59x = 1,959,292.04 × 775,205.79
  4. Step 4: Simplify right side
    1,419,787.59x = 1,518,854,529,832.88
  5. Step 5: Solve for x
    x = 1,518,854,529,832.88/1,419,787.59
  6. Step 6: Final answer
    x = 1,069,775.89

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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.