Home / 864,083.60-1,296,125.40-786,669.20

Finding the Fourth Proportional to 864,083.60, 1,296,125.40 and 786,669.20

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Solution

The fourth proportional to 864,083.60, 1,296,125.40 and 786,669.20 is: 1,180,003.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,083.60 : 1,296,125.40 = 786,669.20 : x
  2. Step 2: Convert to fraction form
    864,083.60/1,296,125.40 = 786,669.20/x
  3. Step 3: Cross multiply
    864,083.60x = 1,296,125.40 × 786,669.20
  4. Step 4: Simplify right side
    864,083.60x = 1,019,621,931,517.68
  5. Step 5: Solve for x
    x = 1,019,621,931,517.68/864,083.60
  6. Step 6: Final answer
    x = 1,180,003.80

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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.