Home / 865,741.31-1,298,575.05-845,467.82

Finding the Fourth Proportional to 865,741.31, 1,298,575.05 and 845,467.82

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Solution

The fourth proportional to 865,741.31, 1,298,575.05 and 845,467.82 is: 1,268,165.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,741.31 : 1,298,575.05 = 845,467.82 : x
  2. Step 2: Convert to fraction form
    865,741.31/1,298,575.05 = 845,467.82/x
  3. Step 3: Cross multiply
    865,741.31x = 1,298,575.05 × 845,467.82
  4. Step 4: Simplify right side
    865,741.31x = 1,097,903,410,137.02
  5. Step 5: Solve for x
    x = 1,097,903,410,137.02/865,741.31
  6. Step 6: Final answer
    x = 1,268,165.68

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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.