Home / 1,307,701.87-1,961,516.49-348,165.71

Finding the Fourth Proportional to 1,307,701.87, 1,961,516.49 and 348,165.71

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Solution

The fourth proportional to 1,307,701.87, 1,961,516.49 and 348,165.71 is: 522,238.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,701.87 : 1,961,516.49 = 348,165.71 : x
  2. Step 2: Convert to fraction form
    1,307,701.87/1,961,516.49 = 348,165.71/x
  3. Step 3: Cross multiply
    1,307,701.87x = 1,961,516.49 × 348,165.71
  4. Step 4: Simplify right side
    1,307,701.87x = 682,932,777,660.04
  5. Step 5: Solve for x
    x = 682,932,777,660.04/1,307,701.87
  6. Step 6: Final answer
    x = 522,238.89

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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.