Home / 1,436,930.43-2,155,446.56-357,448.61

Finding the Fourth Proportional to 1,436,930.43, 2,155,446.56 and 357,448.61

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Solution

The fourth proportional to 1,436,930.43, 2,155,446.56 and 357,448.61 is: 536,185.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,930.43 : 2,155,446.56 = 357,448.61 : x
  2. Step 2: Convert to fraction form
    1,436,930.43/2,155,446.56 = 357,448.61/x
  3. Step 3: Cross multiply
    1,436,930.43x = 2,155,446.56 × 357,448.61
  4. Step 4: Simplify right side
    1,436,930.43x = 770,461,376,801.28
  5. Step 5: Solve for x
    x = 770,461,376,801.28/1,436,930.43
  6. Step 6: Final answer
    x = 536,185.58

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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.