Home / 1,763,538.25-2,433,703.22-978,620.28

Finding the Fourth Proportional to 1,763,538.25, 2,433,703.22 and 978,620.28

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Solution

The fourth proportional to 1,763,538.25, 2,433,703.22 and 978,620.28 is: 1,350,507.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763,538.25 : 2,433,703.22 = 978,620.28 : x
  2. Step 2: Convert to fraction form
    1,763,538.25/2,433,703.22 = 978,620.28/x
  3. Step 3: Cross multiply
    1,763,538.25x = 2,433,703.22 × 978,620.28
  4. Step 4: Simplify right side
    1,763,538.25x = 2,381,671,321,700.20
  5. Step 5: Solve for x
    x = 2,381,671,321,700.20/1,763,538.25
  6. Step 6: Final answer
    x = 1,350,507.32

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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.