Home / 1,242,908.54-1,862,661.84-939,052.90

Finding the Fourth Proportional to 1,242,908.54, 1,862,661.84 and 939,052.90

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Solution

The fourth proportional to 1,242,908.54, 1,862,661.84 and 939,052.90 is: 1,407,294.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,908.54 : 1,862,661.84 = 939,052.90 : x
  2. Step 2: Convert to fraction form
    1,242,908.54/1,862,661.84 = 939,052.90/x
  3. Step 3: Cross multiply
    1,242,908.54x = 1,862,661.84 × 939,052.90
  4. Step 4: Simplify right side
    1,242,908.54x = 1,749,138,002,571.34
  5. Step 5: Solve for x
    x = 1,749,138,002,571.34/1,242,908.54
  6. Step 6: Final answer
    x = 1,407,294.22

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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.