Home / 1,271,882.56-1,906,403.04-551,392.48

Finding the Fourth Proportional to 1,271,882.56, 1,906,403.04 and 551,392.48

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Solution

The fourth proportional to 1,271,882.56, 1,906,403.04 and 551,392.48 is: 826,472.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,882.56 : 1,906,403.04 = 551,392.48 : x
  2. Step 2: Convert to fraction form
    1,271,882.56/1,906,403.04 = 551,392.48/x
  3. Step 3: Cross multiply
    1,271,882.56x = 1,906,403.04 × 551,392.48
  4. Step 4: Simplify right side
    1,271,882.56x = 1,051,176,300,105.14
  5. Step 5: Solve for x
    x = 1,051,176,300,105.14/1,271,882.56
  6. Step 6: Final answer
    x = 826,472.77

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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.