Home / 1,511,494.26-2,086,088.85-1,148,320.50

Finding the Fourth Proportional to 1,511,494.26, 2,086,088.85 and 1,148,320.50

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Solution

The fourth proportional to 1,511,494.26, 2,086,088.85 and 1,148,320.50 is: 1,584,854.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,494.26 : 2,086,088.85 = 1,148,320.50 : x
  2. Step 2: Convert to fraction form
    1,511,494.26/2,086,088.85 = 1,148,320.50/x
  3. Step 3: Cross multiply
    1,511,494.26x = 2,086,088.85 × 1,148,320.50
  4. Step 4: Simplify right side
    1,511,494.26x = 2,395,498,591,276.43
  5. Step 5: Solve for x
    x = 2,395,498,591,276.43/1,511,494.26
  6. Step 6: Final answer
    x = 1,584,854.57

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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.