Home / 1,664,921.78-2,496,371.35-652,831.17

Finding the Fourth Proportional to 1,664,921.78, 2,496,371.35 and 652,831.17

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Solution

The fourth proportional to 1,664,921.78, 2,496,371.35 and 652,831.17 is: 978,850.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,921.78 : 2,496,371.35 = 652,831.17 : x
  2. Step 2: Convert to fraction form
    1,664,921.78/2,496,371.35 = 652,831.17/x
  3. Step 3: Cross multiply
    1,664,921.78x = 2,496,371.35 × 652,831.17
  4. Step 4: Simplify right side
    1,664,921.78x = 1,629,709,029,174.98
  5. Step 5: Solve for x
    x = 1,629,709,029,174.98/1,664,921.78
  6. Step 6: Final answer
    x = 978,850.21

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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.