Home / 1,132,640.28-1,563,372.90-674,076.60

Finding the Fourth Proportional to 1,132,640.28, 1,563,372.90 and 674,076.60

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Solution

The fourth proportional to 1,132,640.28, 1,563,372.90 and 674,076.60 is: 930,421.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,640.28 : 1,563,372.90 = 674,076.60 : x
  2. Step 2: Convert to fraction form
    1,132,640.28/1,563,372.90 = 674,076.60/x
  3. Step 3: Cross multiply
    1,132,640.28x = 1,563,372.90 × 674,076.60
  4. Step 4: Simplify right side
    1,132,640.28x = 1,053,833,088,964.14
  5. Step 5: Solve for x
    x = 1,053,833,088,964.14/1,132,640.28
  6. Step 6: Final answer
    x = 930,421.69

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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.