Home / 1,531,861.40-2,297,804.60-521,213.04

Finding the Fourth Proportional to 1,531,861.40, 2,297,804.60 and 521,213.04

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Solution

The fourth proportional to 1,531,861.40, 2,297,804.60 and 521,213.04 is: 781,823.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,861.40 : 2,297,804.60 = 521,213.04 : x
  2. Step 2: Convert to fraction form
    1,531,861.40/2,297,804.60 = 521,213.04/x
  3. Step 3: Cross multiply
    1,531,861.40x = 2,297,804.60 × 521,213.04
  4. Step 4: Simplify right side
    1,531,861.40x = 1,197,645,720,891.98
  5. Step 5: Solve for x
    x = 1,197,645,720,891.98/1,531,861.40
  6. Step 6: Final answer
    x = 781,823.81

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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.