Home / 1,389,756.96-2,084,941.44-790,999.92

Finding the Fourth Proportional to 1,389,756.96, 2,084,941.44 and 790,999.92

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Solution

The fourth proportional to 1,389,756.96, 2,084,941.44 and 790,999.92 is: 1,186,674.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,756.96 : 2,084,941.44 = 790,999.92 : x
  2. Step 2: Convert to fraction form
    1,389,756.96/2,084,941.44 = 790,999.92/x
  3. Step 3: Cross multiply
    1,389,756.96x = 2,084,941.44 × 790,999.92
  4. Step 4: Simplify right side
    1,389,756.96x = 1,649,188,512,244.68
  5. Step 5: Solve for x
    x = 1,649,188,512,244.68/1,389,756.96
  6. Step 6: Final answer
    x = 1,186,674.04

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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.