Home / 1,242,910.53-1,862,664.84-939,054.90

Finding the Fourth Proportional to 1,242,910.53, 1,862,664.84 and 939,054.90

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Solution

The fourth proportional to 1,242,910.53, 1,862,664.84 and 939,054.90 is: 1,407,297.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,910.53 : 1,862,664.84 = 939,054.90 : x
  2. Step 2: Convert to fraction form
    1,242,910.53/1,862,664.84 = 939,054.90/x
  3. Step 3: Cross multiply
    1,242,910.53x = 1,862,664.84 × 939,054.90
  4. Step 4: Simplify right side
    1,242,910.53x = 1,749,144,545,059.72
  5. Step 5: Solve for x
    x = 1,749,144,545,059.72/1,242,910.53
  6. Step 6: Final answer
    x = 1,407,297.23

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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.