Home / 1,410,040.50-1,945,858.32-806,428.50

Finding the Fourth Proportional to 1,410,040.50, 1,945,858.32 and 806,428.50

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Solution

The fourth proportional to 1,410,040.50, 1,945,858.32 and 806,428.50 is: 1,112,872.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,040.50 : 1,945,858.32 = 806,428.50 : x
  2. Step 2: Convert to fraction form
    1,410,040.50/1,945,858.32 = 806,428.50/x
  3. Step 3: Cross multiply
    1,410,040.50x = 1,945,858.32 × 806,428.50
  4. Step 4: Simplify right side
    1,410,040.50x = 1,569,195,606,210.12
  5. Step 5: Solve for x
    x = 1,569,195,606,210.12/1,410,040.50
  6. Step 6: Final answer
    x = 1,112,872.72

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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.