Home / 1,343,939.92-2,014,896.26-811,334.36

Finding the Fourth Proportional to 1,343,939.92, 2,014,896.26 and 811,334.36

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Solution

The fourth proportional to 1,343,939.92, 2,014,896.26 and 811,334.36 is: 1,216,389.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,939.92 : 2,014,896.26 = 811,334.36 : x
  2. Step 2: Convert to fraction form
    1,343,939.92/2,014,896.26 = 811,334.36/x
  3. Step 3: Cross multiply
    1,343,939.92x = 2,014,896.26 × 811,334.36
  4. Step 4: Simplify right side
    1,343,939.92x = 1,634,754,567,573.49
  5. Step 5: Solve for x
    x = 1,634,754,567,573.49/1,343,939.92
  6. Step 6: Final answer
    x = 1,216,389.62

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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.