Home / 1,140,221.40-1,708,949.70-508,464.60

Finding the Fourth Proportional to 1,140,221.40, 1,708,949.70 and 508,464.60

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Solution

The fourth proportional to 1,140,221.40, 1,708,949.70 and 508,464.60 is: 762,080.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,221.40 : 1,708,949.70 = 508,464.60 : x
  2. Step 2: Convert to fraction form
    1,140,221.40/1,708,949.70 = 508,464.60/x
  3. Step 3: Cross multiply
    1,140,221.40x = 1,708,949.70 × 508,464.60
  4. Step 4: Simplify right side
    1,140,221.40x = 868,940,425,630.62
  5. Step 5: Solve for x
    x = 868,940,425,630.62/1,140,221.40
  6. Step 6: Final answer
    x = 762,080.44

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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.