Home / 1,638,634.14-2,457,419.31-627,702.30

Finding the Fourth Proportional to 1,638,634.14, 2,457,419.31 and 627,702.30

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Solution

The fourth proportional to 1,638,634.14, 2,457,419.31 and 627,702.30 is: 941,349.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,634.14 : 2,457,419.31 = 627,702.30 : x
  2. Step 2: Convert to fraction form
    1,638,634.14/2,457,419.31 = 627,702.30/x
  3. Step 3: Cross multiply
    1,638,634.14x = 2,457,419.31 × 627,702.30
  4. Step 4: Simplify right side
    1,638,634.14x = 1,542,527,752,951.41
  5. Step 5: Solve for x
    x = 1,542,527,752,951.41/1,638,634.14
  6. Step 6: Final answer
    x = 941,349.70

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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.