Home / 1,109,815.73-1,532,580.64-816,858.87

Finding the Fourth Proportional to 1,109,815.73, 1,532,580.64 and 816,858.87

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Solution

The fourth proportional to 1,109,815.73, 1,532,580.64 and 816,858.87 is: 1,128,026.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,815.73 : 1,532,580.64 = 816,858.87 : x
  2. Step 2: Convert to fraction form
    1,109,815.73/1,532,580.64 = 816,858.87/x
  3. Step 3: Cross multiply
    1,109,815.73x = 1,532,580.64 × 816,858.87
  4. Step 4: Simplify right side
    1,109,815.73x = 1,251,902,089,774.28
  5. Step 5: Solve for x
    x = 1,251,902,089,774.28/1,109,815.73
  6. Step 6: Final answer
    x = 1,128,026.98

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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.