Home / 1,341,721.83-2,012,599.08-743,850.57

Finding the Fourth Proportional to 1,341,721.83, 2,012,599.08 and 743,850.57

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Solution

The fourth proportional to 1,341,721.83, 2,012,599.08 and 743,850.57 is: 1,115,784.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,721.83 : 2,012,599.08 = 743,850.57 : x
  2. Step 2: Convert to fraction form
    1,341,721.83/2,012,599.08 = 743,850.57/x
  3. Step 3: Cross multiply
    1,341,721.83x = 2,012,599.08 × 743,850.57
  4. Step 4: Simplify right side
    1,341,721.83x = 1,497,072,972,839.48
  5. Step 5: Solve for x
    x = 1,497,072,972,839.48/1,341,721.83
  6. Step 6: Final answer
    x = 1,115,784.91

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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.