Home / 1,307,496.78-1,800,174.51-1,115,740.62

Finding the Fourth Proportional to 1,307,496.78, 1,800,174.51 and 1,115,740.62

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Solution

The fourth proportional to 1,307,496.78, 1,800,174.51 and 1,115,740.62 is: 1,536,162.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,496.78 : 1,800,174.51 = 1,115,740.62 : x
  2. Step 2: Convert to fraction form
    1,307,496.78/1,800,174.51 = 1,115,740.62/x
  3. Step 3: Cross multiply
    1,307,496.78x = 1,800,174.51 × 1,115,740.62
  4. Step 4: Simplify right side
    1,307,496.78x = 2,008,527,823,895.60
  5. Step 5: Solve for x
    x = 2,008,527,823,895.60/1,307,496.78
  6. Step 6: Final answer
    x = 1,536,162.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.