Home / 1,201,506.78-1,801,979.82-348,349.47

Finding the Fourth Proportional to 1,201,506.78, 1,801,979.82 and 348,349.47

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Solution

The fourth proportional to 1,201,506.78, 1,801,979.82 and 348,349.47 is: 522,442.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,506.78 : 1,801,979.82 = 348,349.47 : x
  2. Step 2: Convert to fraction form
    1,201,506.78/1,801,979.82 = 348,349.47/x
  3. Step 3: Cross multiply
    1,201,506.78x = 1,801,979.82 × 348,349.47
  4. Step 4: Simplify right side
    1,201,506.78x = 627,718,715,247.70
  5. Step 5: Solve for x
    x = 627,718,715,247.70/1,201,506.78
  6. Step 6: Final answer
    x = 522,442.92

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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.