Home / 1,271,021.76-1,754,095.91-698,067.86

Finding the Fourth Proportional to 1,271,021.76, 1,754,095.91 and 698,067.86

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Solution

The fourth proportional to 1,271,021.76, 1,754,095.91 and 698,067.86 is: 963,380.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,021.76 : 1,754,095.91 = 698,067.86 : x
  2. Step 2: Convert to fraction form
    1,271,021.76/1,754,095.91 = 698,067.86/x
  3. Step 3: Cross multiply
    1,271,021.76x = 1,754,095.91 × 698,067.86
  4. Step 4: Simplify right side
    1,271,021.76x = 1,224,477,965,867.63
  5. Step 5: Solve for x
    x = 1,224,477,965,867.63/1,271,021.76
  6. Step 6: Final answer
    x = 963,380.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.