Home / 1,369,828.16-2,055,149.28-659,650.88

Finding the Fourth Proportional to 1,369,828.16, 2,055,149.28 and 659,650.88

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Solution

The fourth proportional to 1,369,828.16, 2,055,149.28 and 659,650.88 is: 989,672.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,828.16 : 2,055,149.28 = 659,650.88 : x
  2. Step 2: Convert to fraction form
    1,369,828.16/2,055,149.28 = 659,650.88/x
  3. Step 3: Cross multiply
    1,369,828.16x = 2,055,149.28 × 659,650.88
  4. Step 4: Simplify right side
    1,369,828.16x = 1,355,681,031,083.37
  5. Step 5: Solve for x
    x = 1,355,681,031,083.37/1,369,828.16
  6. Step 6: Final answer
    x = 989,672.33

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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.