Home / 1,383,944.64-2,076,262.56-386,664

Finding the Fourth Proportional to 1,383,944.64, 2,076,262.56 and 386,664

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Solution

The fourth proportional to 1,383,944.64, 2,076,262.56 and 386,664 is: 580,092.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,944.64 : 2,076,262.56 = 386,664 : x
  2. Step 2: Convert to fraction form
    1,383,944.64/2,076,262.56 = 386,664/x
  3. Step 3: Cross multiply
    1,383,944.64x = 2,076,262.56 × 386,664
  4. Step 4: Simplify right side
    1,383,944.64x = 802,815,986,499.84
  5. Step 5: Solve for x
    x = 802,815,986,499.84/1,383,944.64
  6. Step 6: Final answer
    x = 580,092.56

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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.