Home / 865,129.12-1,185,207.06-832,784.26

Finding the Fourth Proportional to 865,129.12, 1,185,207.06 and 832,784.26

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Solution

The fourth proportional to 865,129.12, 1,185,207.06 and 832,784.26 is: 1,140,895.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,129.12 : 1,185,207.06 = 832,784.26 : x
  2. Step 2: Convert to fraction form
    865,129.12/1,185,207.06 = 832,784.26/x
  3. Step 3: Cross multiply
    865,129.12x = 1,185,207.06 × 832,784.26
  4. Step 4: Simplify right side
    865,129.12x = 987,021,784,408.88
  5. Step 5: Solve for x
    x = 987,021,784,408.88/865,129.12
  6. Step 6: Final answer
    x = 1,140,895.34

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.