Home / 1,107,412-1,661,395.44-319,444

Finding the Fourth Proportional to 1,107,412, 1,661,395.44 and 319,444

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Solution

The fourth proportional to 1,107,412, 1,661,395.44 and 319,444 is: 479,246.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,412 : 1,661,395.44 = 319,444 : x
  2. Step 2: Convert to fraction form
    1,107,412/1,661,395.44 = 319,444/x
  3. Step 3: Cross multiply
    1,107,412x = 1,661,395.44 × 319,444
  4. Step 4: Simplify right side
    1,107,412x = 530,722,804,935.36
  5. Step 5: Solve for x
    x = 530,722,804,935.36/1,107,412
  6. Step 6: Final answer
    x = 479,246.03

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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.