Home / 1,383,945.64-2,076,264.06-386,665

Finding the Fourth Proportional to 1,383,945.64, 2,076,264.06 and 386,665

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Solution

The fourth proportional to 1,383,945.64, 2,076,264.06 and 386,665 is: 580,094.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,945.64 : 2,076,264.06 = 386,665 : x
  2. Step 2: Convert to fraction form
    1,383,945.64/2,076,264.06 = 386,665/x
  3. Step 3: Cross multiply
    1,383,945.64x = 2,076,264.06 × 386,665
  4. Step 4: Simplify right side
    1,383,945.64x = 802,818,642,759.90
  5. Step 5: Solve for x
    x = 802,818,642,759.90/1,383,945.64
  6. Step 6: Final answer
    x = 580,094.06

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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.