Home / 1,522,067.64-2,100,468.78-918,339

Finding the Fourth Proportional to 1,522,067.64, 2,100,468.78 and 918,339

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Solution

The fourth proportional to 1,522,067.64, 2,100,468.78 and 918,339 is: 1,267,317.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,067.64 : 2,100,468.78 = 918,339 : x
  2. Step 2: Convert to fraction form
    1,522,067.64/2,100,468.78 = 918,339/x
  3. Step 3: Cross multiply
    1,522,067.64x = 2,100,468.78 × 918,339
  4. Step 4: Simplify right side
    1,522,067.64x = 1,928,942,398,956.42
  5. Step 5: Solve for x
    x = 1,928,942,398,956.42/1,522,067.64
  6. Step 6: Final answer
    x = 1,267,317.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.