Home / 1,422,627.50-2,134,641.82-664,358.90

Finding the Fourth Proportional to 1,422,627.50, 2,134,641.82 and 664,358.90

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Solution

The fourth proportional to 1,422,627.50, 2,134,641.82 and 664,358.90 is: 996,865.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,627.50 : 2,134,641.82 = 664,358.90 : x
  2. Step 2: Convert to fraction form
    1,422,627.50/2,134,641.82 = 664,358.90/x
  3. Step 3: Cross multiply
    1,422,627.50x = 2,134,641.82 × 664,358.90
  4. Step 4: Simplify right side
    1,422,627.50x = 1,418,168,280,340.76
  5. Step 5: Solve for x
    x = 1,418,168,280,340.76/1,422,627.50
  6. Step 6: Final answer
    x = 996,865.50

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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.