Home / 1,079,316.16-1,618,826.51-321,274.62

Finding the Fourth Proportional to 1,079,316.16, 1,618,826.51 and 321,274.62

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Solution

The fourth proportional to 1,079,316.16, 1,618,826.51 and 321,274.62 is: 481,867.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,316.16 : 1,618,826.51 = 321,274.62 : x
  2. Step 2: Convert to fraction form
    1,079,316.16/1,618,826.51 = 321,274.62/x
  3. Step 3: Cross multiply
    1,079,316.16x = 1,618,826.51 × 321,274.62
  4. Step 4: Simplify right side
    1,079,316.16x = 520,087,872,649.36
  5. Step 5: Solve for x
    x = 520,087,872,649.36/1,079,316.16
  6. Step 6: Final answer
    x = 481,867.96

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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.