Home / 996,976.76-1,372,364.37-869,430.92

Finding the Fourth Proportional to 996,976.76, 1,372,364.37 and 869,430.92

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Solution

The fourth proportional to 996,976.76, 1,372,364.37 and 869,430.92 is: 1,196,794.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,976.76 : 1,372,364.37 = 869,430.92 : x
  2. Step 2: Convert to fraction form
    996,976.76/1,372,364.37 = 869,430.92/x
  3. Step 3: Cross multiply
    996,976.76x = 1,372,364.37 × 869,430.92
  4. Step 4: Simplify right side
    996,976.76x = 1,193,176,009,922.50
  5. Step 5: Solve for x
    x = 1,193,176,009,922.50/996,976.76
  6. Step 6: Final answer
    x = 1,196,794.21

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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.