Home / 1,229,744.44-1,697,056.50-685,915.48

Finding the Fourth Proportional to 1,229,744.44, 1,697,056.50 and 685,915.48

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Solution

The fourth proportional to 1,229,744.44, 1,697,056.50 and 685,915.48 is: 946,568.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,744.44 : 1,697,056.50 = 685,915.48 : x
  2. Step 2: Convert to fraction form
    1,229,744.44/1,697,056.50 = 685,915.48/x
  3. Step 3: Cross multiply
    1,229,744.44x = 1,697,056.50 × 685,915.48
  4. Step 4: Simplify right side
    1,229,744.44x = 1,164,037,323,784.62
  5. Step 5: Solve for x
    x = 1,164,037,323,784.62/1,229,744.44
  6. Step 6: Final answer
    x = 946,568.48

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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.