Home / 1,158,664.80-1,599,051.60-642,469.92

Finding the Fourth Proportional to 1,158,664.80, 1,599,051.60 and 642,469.92

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Solution

The fourth proportional to 1,158,664.80, 1,599,051.60 and 642,469.92 is: 886,660.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,664.80 : 1,599,051.60 = 642,469.92 : x
  2. Step 2: Convert to fraction form
    1,158,664.80/1,599,051.60 = 642,469.92/x
  3. Step 3: Cross multiply
    1,158,664.80x = 1,599,051.60 × 642,469.92
  4. Step 4: Simplify right side
    1,158,664.80x = 1,027,342,553,527.87
  5. Step 5: Solve for x
    x = 1,027,342,553,527.87/1,158,664.80
  6. Step 6: Final answer
    x = 886,660.71

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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.