Home / 1,413,042.72-2,119,564.62-348,105.48

Finding the Fourth Proportional to 1,413,042.72, 2,119,564.62 and 348,105.48

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Solution

The fourth proportional to 1,413,042.72, 2,119,564.62 and 348,105.48 is: 522,158.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,042.72 : 2,119,564.62 = 348,105.48 : x
  2. Step 2: Convert to fraction form
    1,413,042.72/2,119,564.62 = 348,105.48/x
  3. Step 3: Cross multiply
    1,413,042.72x = 2,119,564.62 × 348,105.48
  4. Step 4: Simplify right side
    1,413,042.72x = 737,832,059,436.12
  5. Step 5: Solve for x
    x = 737,832,059,436.12/1,413,042.72
  6. Step 6: Final answer
    x = 522,158.35

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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.