Home / 1,438,396.94-2,157,034.08-539,348.24

Finding the Fourth Proportional to 1,438,396.94, 2,157,034.08 and 539,348.24

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Solution

The fourth proportional to 1,438,396.94, 2,157,034.08 and 539,348.24 is: 808,811.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,396.94 : 2,157,034.08 = 539,348.24 : x
  2. Step 2: Convert to fraction form
    1,438,396.94/2,157,034.08 = 539,348.24/x
  3. Step 3: Cross multiply
    1,438,396.94x = 2,157,034.08 × 539,348.24
  4. Step 4: Simplify right side
    1,438,396.94x = 1,163,392,534,668.02
  5. Step 5: Solve for x
    x = 1,163,392,534,668.02/1,438,396.94
  6. Step 6: Final answer
    x = 808,811.88

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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.