Home / 1,089,821.73-1,633,918.16-751,898.12

Finding the Fourth Proportional to 1,089,821.73, 1,633,918.16 and 751,898.12

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Solution

The fourth proportional to 1,089,821.73, 1,633,918.16 and 751,898.12 is: 1,127,285.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,821.73 : 1,633,918.16 = 751,898.12 : x
  2. Step 2: Convert to fraction form
    1,089,821.73/1,633,918.16 = 751,898.12/x
  3. Step 3: Cross multiply
    1,089,821.73x = 1,633,918.16 × 751,898.12
  4. Step 4: Simplify right side
    1,089,821.73x = 1,228,539,980,808.78
  5. Step 5: Solve for x
    x = 1,228,539,980,808.78/1,089,821.73
  6. Step 6: Final answer
    x = 1,127,285.27

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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.