Home / 863,693.76-1,190,993.04-743,243.52

Finding the Fourth Proportional to 863,693.76, 1,190,993.04 and 743,243.52

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Solution

The fourth proportional to 863,693.76, 1,190,993.04 and 743,243.52 is: 1,024,897.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,693.76 : 1,190,993.04 = 743,243.52 : x
  2. Step 2: Convert to fraction form
    863,693.76/1,190,993.04 = 743,243.52/x
  3. Step 3: Cross multiply
    863,693.76x = 1,190,993.04 × 743,243.52
  4. Step 4: Simplify right side
    863,693.76x = 885,197,859,345.10
  5. Step 5: Solve for x
    x = 885,197,859,345.10/863,693.76
  6. Step 6: Final answer
    x = 1,024,897.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.