Home / 1,538,974.28-2,309,075.42-641,035.24

Finding the Fourth Proportional to 1,538,974.28, 2,309,075.42 and 641,035.24

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Solution

The fourth proportional to 1,538,974.28, 2,309,075.42 and 641,035.24 is: 961,808.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,974.28 : 2,309,075.42 = 641,035.24 : x
  2. Step 2: Convert to fraction form
    1,538,974.28/2,309,075.42 = 641,035.24/x
  3. Step 3: Cross multiply
    1,538,974.28x = 2,309,075.42 × 641,035.24
  4. Step 4: Simplify right side
    1,538,974.28x = 1,480,198,716,037.80
  5. Step 5: Solve for x
    x = 1,480,198,716,037.80/1,538,974.28
  6. Step 6: Final answer
    x = 961,808.61

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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.