Home / 889,190.26-1,333,783.38-687,080.27

Finding the Fourth Proportional to 889,190.26, 1,333,783.38 and 687,080.27

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Solution

The fourth proportional to 889,190.26, 1,333,783.38 and 687,080.27 is: 1,030,618.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,190.26 : 1,333,783.38 = 687,080.27 : x
  2. Step 2: Convert to fraction form
    889,190.26/1,333,783.38 = 687,080.27/x
  3. Step 3: Cross multiply
    889,190.26x = 1,333,783.38 × 687,080.27
  4. Step 4: Simplify right side
    889,190.26x = 916,416,244,851.91
  5. Step 5: Solve for x
    x = 916,416,244,851.91/889,190.26
  6. Step 6: Final answer
    x = 1,030,618.86

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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.