Home / 1,107,865.68-1,662,078.12-309,146.52

Finding the Fourth Proportional to 1,107,865.68, 1,662,078.12 and 309,146.52

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Solution

The fourth proportional to 1,107,865.68, 1,662,078.12 and 309,146.52 is: 463,797.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,865.68 : 1,662,078.12 = 309,146.52 : x
  2. Step 2: Convert to fraction form
    1,107,865.68/1,662,078.12 = 309,146.52/x
  3. Step 3: Cross multiply
    1,107,865.68x = 1,662,078.12 × 309,146.52
  4. Step 4: Simplify right side
    1,107,865.68x = 513,825,666,766.14
  5. Step 5: Solve for x
    x = 513,825,666,766.14/1,107,865.68
  6. Step 6: Final answer
    x = 463,797.80

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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.