Home / 1,383,538.40-2,076,182.40-814,918.40

Finding the Fourth Proportional to 1,383,538.40, 2,076,182.40 and 814,918.40

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Solution

The fourth proportional to 1,383,538.40, 2,076,182.40 and 814,918.40 is: 1,222,892.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,538.40 : 2,076,182.40 = 814,918.40 : x
  2. Step 2: Convert to fraction form
    1,383,538.40/2,076,182.40 = 814,918.40/x
  3. Step 3: Cross multiply
    1,383,538.40x = 2,076,182.40 × 814,918.40
  4. Step 4: Simplify right side
    1,383,538.40x = 1,691,919,239,516.16
  5. Step 5: Solve for x
    x = 1,691,919,239,516.16/1,383,538.40
  6. Step 6: Final answer
    x = 1,222,892.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.