Home / 1,389,796.96-2,085,001.44-791,039.92

Finding the Fourth Proportional to 1,389,796.96, 2,085,001.44 and 791,039.92

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Solution

The fourth proportional to 1,389,796.96, 2,085,001.44 and 791,039.92 is: 1,186,734.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,796.96 : 2,085,001.44 = 791,039.92 : x
  2. Step 2: Convert to fraction form
    1,389,796.96/2,085,001.44 = 791,039.92/x
  3. Step 3: Cross multiply
    1,389,796.96x = 2,085,001.44 × 791,039.92
  4. Step 4: Simplify right side
    1,389,796.96x = 1,649,319,372,297.49
  5. Step 5: Solve for x
    x = 1,649,319,372,297.49/1,389,796.96
  6. Step 6: Final answer
    x = 1,186,734.05

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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.