Home / 1,271,326.38-1,907,793.09-710,728.62

Finding the Fourth Proportional to 1,271,326.38, 1,907,793.09 and 710,728.62

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Solution

The fourth proportional to 1,271,326.38, 1,907,793.09 and 710,728.62 is: 1,066,542.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,326.38 : 1,907,793.09 = 710,728.62 : x
  2. Step 2: Convert to fraction form
    1,271,326.38/1,907,793.09 = 710,728.62/x
  3. Step 3: Cross multiply
    1,271,326.38x = 1,907,793.09 × 710,728.62
  4. Step 4: Simplify right side
    1,271,326.38x = 1,355,923,150,101.24
  5. Step 5: Solve for x
    x = 1,355,923,150,101.24/1,271,326.38
  6. Step 6: Final answer
    x = 1,066,542.13

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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.