Home / 1,387,441.53-1,914,977.97-843,462

Finding the Fourth Proportional to 1,387,441.53, 1,914,977.97 and 843,462

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Solution

The fourth proportional to 1,387,441.53, 1,914,977.97 and 843,462 is: 1,164,165.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,441.53 : 1,914,977.97 = 843,462 : x
  2. Step 2: Convert to fraction form
    1,387,441.53/1,914,977.97 = 843,462/x
  3. Step 3: Cross multiply
    1,387,441.53x = 1,914,977.97 × 843,462
  4. Step 4: Simplify right side
    1,387,441.53x = 1,615,211,148,532.14
  5. Step 5: Solve for x
    x = 1,615,211,148,532.14/1,387,441.53
  6. Step 6: Final answer
    x = 1,164,165.20

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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.