Home / 1,462,054.21-2,017,016.99-978,775.05

Finding the Fourth Proportional to 1,462,054.21, 2,017,016.99 and 978,775.05

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Solution

The fourth proportional to 1,462,054.21, 2,017,016.99 and 978,775.05 is: 1,350,295.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462,054.21 : 2,017,016.99 = 978,775.05 : x
  2. Step 2: Convert to fraction form
    1,462,054.21/2,017,016.99 = 978,775.05/x
  3. Step 3: Cross multiply
    1,462,054.21x = 2,017,016.99 × 978,775.05
  4. Step 4: Simplify right side
    1,462,054.21x = 1,974,205,905,238.10
  5. Step 5: Solve for x
    x = 1,974,205,905,238.10/1,462,054.21
  6. Step 6: Final answer
    x = 1,350,295.97

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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.