Home / 1,625,538.24-2,438,132.40-488,181.60

Finding the Fourth Proportional to 1,625,538.24, 2,438,132.40 and 488,181.60

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Solution

The fourth proportional to 1,625,538.24, 2,438,132.40 and 488,181.60 is: 732,219.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,538.24 : 2,438,132.40 = 488,181.60 : x
  2. Step 2: Convert to fraction form
    1,625,538.24/2,438,132.40 = 488,181.60/x
  3. Step 3: Cross multiply
    1,625,538.24x = 2,438,132.40 × 488,181.60
  4. Step 4: Simplify right side
    1,625,538.24x = 1,190,251,376,043.84
  5. Step 5: Solve for x
    x = 1,190,251,376,043.84/1,625,538.24
  6. Step 6: Final answer
    x = 732,219.86

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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.