Home / 1,545,111.70-2,317,667.55-978,241.30

Finding the Fourth Proportional to 1,545,111.70, 2,317,667.55 and 978,241.30

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Solution

The fourth proportional to 1,545,111.70, 2,317,667.55 and 978,241.30 is: 1,467,361.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,111.70 : 2,317,667.55 = 978,241.30 : x
  2. Step 2: Convert to fraction form
    1,545,111.70/2,317,667.55 = 978,241.30/x
  3. Step 3: Cross multiply
    1,545,111.70x = 2,317,667.55 × 978,241.30
  4. Step 4: Simplify right side
    1,545,111.70x = 2,267,238,117,079.82
  5. Step 5: Solve for x
    x = 2,267,238,117,079.82/1,545,111.70
  6. Step 6: Final answer
    x = 1,467,361.95

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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.