Home / 1,381,797.52-2,072,696.36-539,758.80

Finding the Fourth Proportional to 1,381,797.52, 2,072,696.36 and 539,758.80

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Solution

The fourth proportional to 1,381,797.52, 2,072,696.36 and 539,758.80 is: 809,638.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,797.52 : 2,072,696.36 = 539,758.80 : x
  2. Step 2: Convert to fraction form
    1,381,797.52/2,072,696.36 = 539,758.80/x
  3. Step 3: Cross multiply
    1,381,797.52x = 2,072,696.36 × 539,758.80
  4. Step 4: Simplify right side
    1,381,797.52x = 1,118,756,100,037.97
  5. Step 5: Solve for x
    x = 1,118,756,100,037.97/1,381,797.52
  6. Step 6: Final answer
    x = 809,638.23

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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.