Home / 1,261,432.93-1,891,308.61-612,836.18

Finding the Fourth Proportional to 1,261,432.93, 1,891,308.61 and 612,836.18

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Solution

The fourth proportional to 1,261,432.93, 1,891,308.61 and 612,836.18 is: 918,845.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,432.93 : 1,891,308.61 = 612,836.18 : x
  2. Step 2: Convert to fraction form
    1,261,432.93/1,891,308.61 = 612,836.18/x
  3. Step 3: Cross multiply
    1,261,432.93x = 1,891,308.61 × 612,836.18
  4. Step 4: Simplify right side
    1,261,432.93x = 1,159,062,331,232.79
  5. Step 5: Solve for x
    x = 1,159,062,331,232.79/1,261,432.93
  6. Step 6: Final answer
    x = 918,845.79

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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.