Home / 1,510,078.73-2,083,908.95-831,015.23

Finding the Fourth Proportional to 1,510,078.73, 2,083,908.95 and 831,015.23

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Solution

The fourth proportional to 1,510,078.73, 2,083,908.95 and 831,015.23 is: 1,146,801.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,078.73 : 2,083,908.95 = 831,015.23 : x
  2. Step 2: Convert to fraction form
    1,510,078.73/2,083,908.95 = 831,015.23/x
  3. Step 3: Cross multiply
    1,510,078.73x = 2,083,908.95 × 831,015.23
  4. Step 4: Simplify right side
    1,510,078.73x = 1,731,760,075,383.31
  5. Step 5: Solve for x
    x = 1,731,760,075,383.31/1,510,078.73
  6. Step 6: Final answer
    x = 1,146,801.18

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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.