Home / 1,259,816.60-1,888,605.88-491,137.12

Finding the Fourth Proportional to 1,259,816.60, 1,888,605.88 and 491,137.12

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Solution

The fourth proportional to 1,259,816.60, 1,888,605.88 and 491,137.12 is: 736,269.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,816.60 : 1,888,605.88 = 491,137.12 : x
  2. Step 2: Convert to fraction form
    1,259,816.60/1,888,605.88 = 491,137.12/x
  3. Step 3: Cross multiply
    1,259,816.60x = 1,888,605.88 × 491,137.12
  4. Step 4: Simplify right side
    1,259,816.60x = 927,564,452,718.27
  5. Step 5: Solve for x
    x = 927,564,452,718.27/1,259,816.60
  6. Step 6: Final answer
    x = 736,269.43

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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.