Home / 1,055,013.75-1,577,999.34-978,434.64

Finding the Fourth Proportional to 1,055,013.75, 1,577,999.34 and 978,434.64

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Solution

The fourth proportional to 1,055,013.75, 1,577,999.34 and 978,434.64 is: 1,463,458.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,013.75 : 1,577,999.34 = 978,434.64 : x
  2. Step 2: Convert to fraction form
    1,055,013.75/1,577,999.34 = 978,434.64/x
  3. Step 3: Cross multiply
    1,055,013.75x = 1,577,999.34 × 978,434.64
  4. Step 4: Simplify right side
    1,055,013.75x = 1,543,969,216,153.14
  5. Step 5: Solve for x
    x = 1,543,969,216,153.14/1,055,013.75
  6. Step 6: Final answer
    x = 1,463,458.86

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.