Home / 1,510,494.89-2,084,481.95-831,431.39

Finding the Fourth Proportional to 1,510,494.89, 2,084,481.95 and 831,431.39

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Solution

The fourth proportional to 1,510,494.89, 2,084,481.95 and 831,431.39 is: 1,147,374.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,494.89 : 2,084,481.95 = 831,431.39 : x
  2. Step 2: Convert to fraction form
    1,510,494.89/2,084,481.95 = 831,431.39/x
  3. Step 3: Cross multiply
    1,510,494.89x = 2,084,481.95 × 831,431.39
  4. Step 4: Simplify right side
    1,510,494.89x = 1,733,103,710,538.84
  5. Step 5: Solve for x
    x = 1,733,103,710,538.84/1,510,494.89
  6. Step 6: Final answer
    x = 1,147,374.76

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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.