Home / 1,079,476.08-1,618,931.52-321,113.24

Finding the Fourth Proportional to 1,079,476.08, 1,618,931.52 and 321,113.24

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Solution

The fourth proportional to 1,079,476.08, 1,618,931.52 and 321,113.24 is: 481,585.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,476.08 : 1,618,931.52 = 321,113.24 : x
  2. Step 2: Convert to fraction form
    1,079,476.08/1,618,931.52 = 321,113.24/x
  3. Step 3: Cross multiply
    1,079,476.08x = 1,618,931.52 × 321,113.24
  4. Step 4: Simplify right side
    1,079,476.08x = 519,860,345,725.33
  5. Step 5: Solve for x
    x = 519,860,345,725.33/1,079,476.08
  6. Step 6: Final answer
    x = 481,585.79

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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.