Home / 1,510,821.54-2,084,858.73-831,743.46

Finding the Fourth Proportional to 1,510,821.54, 2,084,858.73 and 831,743.46

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Solution

The fourth proportional to 1,510,821.54, 2,084,858.73 and 831,743.46 is: 1,147,764.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,821.54 : 2,084,858.73 = 831,743.46 : x
  2. Step 2: Convert to fraction form
    1,510,821.54/2,084,858.73 = 831,743.46/x
  3. Step 3: Cross multiply
    1,510,821.54x = 2,084,858.73 × 831,743.46
  4. Step 4: Simplify right side
    1,510,821.54x = 1,734,067,613,701.41
  5. Step 5: Solve for x
    x = 1,734,067,613,701.41/1,510,821.54
  6. Step 6: Final answer
    x = 1,147,764.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.