Home / 1,419,590.50-2,128,335.99-858,500.26

Finding the Fourth Proportional to 1,419,590.50, 2,128,335.99 and 858,500.26

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Solution

The fourth proportional to 1,419,590.50, 2,128,335.99 and 858,500.26 is: 1,287,115.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,590.50 : 2,128,335.99 = 858,500.26 : x
  2. Step 2: Convert to fraction form
    1,419,590.50/2,128,335.99 = 858,500.26/x
  3. Step 3: Cross multiply
    1,419,590.50x = 2,128,335.99 × 858,500.26
  4. Step 4: Simplify right side
    1,419,590.50x = 1,827,177,000,782.36
  5. Step 5: Solve for x
    x = 1,827,177,000,782.36/1,419,590.50
  6. Step 6: Final answer
    x = 1,287,115.55

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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.