Home / 1,436,634.68-2,155,267.38-425,834.60

Finding the Fourth Proportional to 1,436,634.68, 2,155,267.38 and 425,834.60

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Solution

The fourth proportional to 1,436,634.68, 2,155,267.38 and 425,834.60 is: 638,845.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,634.68 : 2,155,267.38 = 425,834.60 : x
  2. Step 2: Convert to fraction form
    1,436,634.68/2,155,267.38 = 425,834.60/x
  3. Step 3: Cross multiply
    1,436,634.68x = 2,155,267.38 × 425,834.60
  4. Step 4: Simplify right side
    1,436,634.68x = 917,787,422,655.35
  5. Step 5: Solve for x
    x = 917,787,422,655.35/1,436,634.68
  6. Step 6: Final answer
    x = 638,845.38

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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.