Home / 1,689,290.31-2,534,182.56-491,056.95

Finding the Fourth Proportional to 1,689,290.31, 2,534,182.56 and 491,056.95

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Solution

The fourth proportional to 1,689,290.31, 2,534,182.56 and 491,056.95 is: 736,657.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,290.31 : 2,534,182.56 = 491,056.95 : x
  2. Step 2: Convert to fraction form
    1,689,290.31/2,534,182.56 = 491,056.95/x
  3. Step 3: Cross multiply
    1,689,290.31x = 2,534,182.56 × 491,056.95
  4. Step 4: Simplify right side
    1,689,290.31x = 1,244,427,958,656.79
  5. Step 5: Solve for x
    x = 1,244,427,958,656.79/1,689,290.31
  6. Step 6: Final answer
    x = 736,657.25

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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.