Home / 1,519,320.73-2,096,645.61-831,012.36

Finding the Fourth Proportional to 1,519,320.73, 2,096,645.61 and 831,012.36

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Solution

The fourth proportional to 1,519,320.73, 2,096,645.61 and 831,012.36 is: 1,146,787.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,320.73 : 2,096,645.61 = 831,012.36 : x
  2. Step 2: Convert to fraction form
    1,519,320.73/2,096,645.61 = 831,012.36/x
  3. Step 3: Cross multiply
    1,519,320.73x = 2,096,645.61 × 831,012.36
  4. Step 4: Simplify right side
    1,519,320.73x = 1,742,338,416,449.74
  5. Step 5: Solve for x
    x = 1,742,338,416,449.74/1,519,320.73
  6. Step 6: Final answer
    x = 1,146,787.76

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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.