Home / 1,345,313.11-1,856,576.81-801,374.62

Finding the Fourth Proportional to 1,345,313.11, 1,856,576.81 and 801,374.62

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Solution

The fourth proportional to 1,345,313.11, 1,856,576.81 and 801,374.62 is: 1,105,923.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,313.11 : 1,856,576.81 = 801,374.62 : x
  2. Step 2: Convert to fraction form
    1,345,313.11/1,856,576.81 = 801,374.62/x
  3. Step 3: Cross multiply
    1,345,313.11x = 1,856,576.81 × 801,374.62
  4. Step 4: Simplify right side
    1,345,313.11x = 1,487,813,522,324.81
  5. Step 5: Solve for x
    x = 1,487,813,522,324.81/1,345,313.11
  6. Step 6: Final answer
    x = 1,105,923.61

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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.