Home / 1,266,011.97-1,899,015.14-978,242.05

Finding the Fourth Proportional to 1,266,011.97, 1,899,015.14 and 978,242.05

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Solution

The fourth proportional to 1,266,011.97, 1,899,015.14 and 978,242.05 is: 1,467,360.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,011.97 : 1,899,015.14 = 978,242.05 : x
  2. Step 2: Convert to fraction form
    1,266,011.97/1,899,015.14 = 978,242.05/x
  3. Step 3: Cross multiply
    1,266,011.97x = 1,899,015.14 × 978,242.05
  4. Step 4: Simplify right side
    1,266,011.97x = 1,857,696,463,534.64
  5. Step 5: Solve for x
    x = 1,857,696,463,534.64/1,266,011.97
  6. Step 6: Final answer
    x = 1,467,360.90

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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.