Home / 1,409,762.82-2,115,099.62-652,101.28

Finding the Fourth Proportional to 1,409,762.82, 2,115,099.62 and 652,101.28

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Solution

The fourth proportional to 1,409,762.82, 2,115,099.62 and 652,101.28 is: 978,362.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,762.82 : 2,115,099.62 = 652,101.28 : x
  2. Step 2: Convert to fraction form
    1,409,762.82/2,115,099.62 = 652,101.28/x
  3. Step 3: Cross multiply
    1,409,762.82x = 2,115,099.62 × 652,101.28
  4. Step 4: Simplify right side
    1,409,762.82x = 1,379,259,169,529.51
  5. Step 5: Solve for x
    x = 1,379,259,169,529.51/1,409,762.82
  6. Step 6: Final answer
    x = 978,362.57

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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.