Home / 1,519,792.92-2,097,363.94-831,448.80

Finding the Fourth Proportional to 1,519,792.92, 2,097,363.94 and 831,448.80

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Solution

The fourth proportional to 1,519,792.92, 2,097,363.94 and 831,448.80 is: 1,147,426.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,792.92 : 2,097,363.94 = 831,448.80 : x
  2. Step 2: Convert to fraction form
    1,519,792.92/2,097,363.94 = 831,448.80/x
  3. Step 3: Cross multiply
    1,519,792.92x = 2,097,363.94 × 831,448.80
  4. Step 4: Simplify right side
    1,519,792.92x = 1,743,850,742,330.86
  5. Step 5: Solve for x
    x = 1,743,850,742,330.86/1,519,792.92
  6. Step 6: Final answer
    x = 1,147,426.55

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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.