Home / 1,103,135.53-1,653,755.61-383,383.72

Finding the Fourth Proportional to 1,103,135.53, 1,653,755.61 and 383,383.72

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Solution

The fourth proportional to 1,103,135.53, 1,653,755.61 and 383,383.72 is: 574,746.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,135.53 : 1,653,755.61 = 383,383.72 : x
  2. Step 2: Convert to fraction form
    1,103,135.53/1,653,755.61 = 383,383.72/x
  3. Step 3: Cross multiply
    1,103,135.53x = 1,653,755.61 × 383,383.72
  4. Step 4: Simplify right side
    1,103,135.53x = 634,022,983,968.25
  5. Step 5: Solve for x
    x = 634,022,983,968.25/1,103,135.53
  6. Step 6: Final answer
    x = 574,746.23

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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.