Home / 1,294,279.78-1,941,419.67-395,721.52

Finding the Fourth Proportional to 1,294,279.78, 1,941,419.67 and 395,721.52

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Solution

The fourth proportional to 1,294,279.78, 1,941,419.67 and 395,721.52 is: 593,582.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,279.78 : 1,941,419.67 = 395,721.52 : x
  2. Step 2: Convert to fraction form
    1,294,279.78/1,941,419.67 = 395,721.52/x
  3. Step 3: Cross multiply
    1,294,279.78x = 1,941,419.67 × 395,721.52
  4. Step 4: Simplify right side
    1,294,279.78x = 768,261,531,084.59
  5. Step 5: Solve for x
    x = 768,261,531,084.59/1,294,279.78
  6. Step 6: Final answer
    x = 593,582.27

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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.