Home / 1,217,846.29-1,827,175.14-408,310.82

Finding the Fourth Proportional to 1,217,846.29, 1,827,175.14 and 408,310.82

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Solution

The fourth proportional to 1,217,846.29, 1,827,175.14 and 408,310.82 is: 612,602.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,846.29 : 1,827,175.14 = 408,310.82 : x
  2. Step 2: Convert to fraction form
    1,217,846.29/1,827,175.14 = 408,310.82/x
  3. Step 3: Cross multiply
    1,217,846.29x = 1,827,175.14 × 408,310.82
  4. Step 4: Simplify right side
    1,217,846.29x = 746,055,379,697.02
  5. Step 5: Solve for x
    x = 746,055,379,697.02/1,217,846.29
  6. Step 6: Final answer
    x = 612,602.25

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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.