Home / 1,321,631.48-1,823,962.86-740,845.28

Finding the Fourth Proportional to 1,321,631.48, 1,823,962.86 and 740,845.28

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Solution

The fourth proportional to 1,321,631.48, 1,823,962.86 and 740,845.28 is: 1,022,428.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,631.48 : 1,823,962.86 = 740,845.28 : x
  2. Step 2: Convert to fraction form
    1,321,631.48/1,823,962.86 = 740,845.28/x
  3. Step 3: Cross multiply
    1,321,631.48x = 1,823,962.86 × 740,845.28
  4. Step 4: Simplify right side
    1,321,631.48x = 1,351,274,280,286.21
  5. Step 5: Solve for x
    x = 1,351,274,280,286.21/1,321,631.48
  6. Step 6: Final answer
    x = 1,022,428.94

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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.