Home / 865,742.81-1,298,577.29-845,469.32

Finding the Fourth Proportional to 865,742.81, 1,298,577.29 and 845,469.32

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Solution

The fourth proportional to 865,742.81, 1,298,577.29 and 845,469.32 is: 1,268,167.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,742.81 : 1,298,577.29 = 845,469.32 : x
  2. Step 2: Convert to fraction form
    865,742.81/1,298,577.29 = 845,469.32/x
  3. Step 3: Cross multiply
    865,742.81x = 1,298,577.29 × 845,469.32
  4. Step 4: Simplify right side
    865,742.81x = 1,097,907,247,623.51
  5. Step 5: Solve for x
    x = 1,097,907,247,623.51/865,742.81
  6. Step 6: Final answer
    x = 1,268,167.91

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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.