Home / 1,271,632.82-1,906,730.25-418,473.94

Finding the Fourth Proportional to 1,271,632.82, 1,906,730.25 and 418,473.94

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Solution

The fourth proportional to 1,271,632.82, 1,906,730.25 and 418,473.94 is: 627,474.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,632.82 : 1,906,730.25 = 418,473.94 : x
  2. Step 2: Convert to fraction form
    1,271,632.82/1,906,730.25 = 418,473.94/x
  3. Step 3: Cross multiply
    1,271,632.82x = 1,906,730.25 × 418,473.94
  4. Step 4: Simplify right side
    1,271,632.82x = 797,916,925,001.51
  5. Step 5: Solve for x
    x = 797,916,925,001.51/1,271,632.82
  6. Step 6: Final answer
    x = 627,474.31

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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.