Home / 1,419,589.50-2,128,334.49-858,499.26

Finding the Fourth Proportional to 1,419,589.50, 2,128,334.49 and 858,499.26

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Solution

The fourth proportional to 1,419,589.50, 2,128,334.49 and 858,499.26 is: 1,287,114.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,589.50 : 2,128,334.49 = 858,499.26 : x
  2. Step 2: Convert to fraction form
    1,419,589.50/2,128,334.49 = 858,499.26/x
  3. Step 3: Cross multiply
    1,419,589.50x = 2,128,334.49 × 858,499.26
  4. Step 4: Simplify right side
    1,419,589.50x = 1,827,173,584,697.48
  5. Step 5: Solve for x
    x = 1,827,173,584,697.48/1,419,589.50
  6. Step 6: Final answer
    x = 1,287,114.05

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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.