Home / 849,163.20-1,274,781.60-842,942.40

Finding the Fourth Proportional to 849,163.20, 1,274,781.60 and 842,942.40

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Solution

The fourth proportional to 849,163.20, 1,274,781.60 and 842,942.40 is: 1,265,442.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,163.20 : 1,274,781.60 = 842,942.40 : x
  2. Step 2: Convert to fraction form
    849,163.20/1,274,781.60 = 842,942.40/x
  3. Step 3: Cross multiply
    849,163.20x = 1,274,781.60 × 842,942.40
  4. Step 4: Simplify right side
    849,163.20x = 1,074,567,461,379.84
  5. Step 5: Solve for x
    x = 1,074,567,461,379.84/849,163.20
  6. Step 6: Final answer
    x = 1,265,442.80

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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.