Home / 1,043,998.38-1,565,939.93-285,784.92

Finding the Fourth Proportional to 1,043,998.38, 1,565,939.93 and 285,784.92

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Solution

The fourth proportional to 1,043,998.38, 1,565,939.93 and 285,784.92 is: 428,661.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,998.38 : 1,565,939.93 = 285,784.92 : x
  2. Step 2: Convert to fraction form
    1,043,998.38/1,565,939.93 = 285,784.92/x
  3. Step 3: Cross multiply
    1,043,998.38x = 1,565,939.93 × 285,784.92
  4. Step 4: Simplify right side
    1,043,998.38x = 447,522,016,190.93
  5. Step 5: Solve for x
    x = 447,522,016,190.93/1,043,998.38
  6. Step 6: Final answer
    x = 428,661.60

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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.