Home / 852,090.88-1,180,856.32-840,064

Finding the Fourth Proportional to 852,090.88, 1,180,856.32 and 840,064

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Solution

The fourth proportional to 852,090.88, 1,180,856.32 and 840,064 is: 1,164,189.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,090.88 : 1,180,856.32 = 840,064 : x
  2. Step 2: Convert to fraction form
    852,090.88/1,180,856.32 = 840,064/x
  3. Step 3: Cross multiply
    852,090.88x = 1,180,856.32 × 840,064
  4. Step 4: Simplify right side
    852,090.88x = 991,994,883,604.48
  5. Step 5: Solve for x
    x = 991,994,883,604.48/852,090.88
  6. Step 6: Final answer
    x = 1,164,189.06

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.