Home / 1,079,426.96-1,618,857.72-321,064.46

Finding the Fourth Proportional to 1,079,426.96, 1,618,857.72 and 321,064.46

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Solution

The fourth proportional to 1,079,426.96, 1,618,857.72 and 321,064.46 is: 481,512.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,426.96 : 1,618,857.72 = 321,064.46 : x
  2. Step 2: Convert to fraction form
    1,079,426.96/1,618,857.72 = 321,064.46/x
  3. Step 3: Cross multiply
    1,079,426.96x = 1,618,857.72 × 321,064.46
  4. Step 4: Simplify right side
    1,079,426.96x = 519,757,679,688.63
  5. Step 5: Solve for x
    x = 519,757,679,688.63/1,079,426.96
  6. Step 6: Final answer
    x = 481,512.60

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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.