Home / 1,419,788.84-1,959,293.76-775,207.04

Finding the Fourth Proportional to 1,419,788.84, 1,959,293.76 and 775,207.04

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Solution

The fourth proportional to 1,419,788.84, 1,959,293.76 and 775,207.04 is: 1,069,777.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,788.84 : 1,959,293.76 = 775,207.04 : x
  2. Step 2: Convert to fraction form
    1,419,788.84/1,959,293.76 = 775,207.04/x
  3. Step 3: Cross multiply
    1,419,788.84x = 1,959,293.76 × 775,207.04
  4. Step 4: Simplify right side
    1,419,788.84x = 1,518,858,316,180.07
  5. Step 5: Solve for x
    x = 1,518,858,316,180.07/1,419,788.84
  6. Step 6: Final answer
    x = 1,069,777.61

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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.