Home / 1,331,783.28-1,997,693.36-433,229.72

Finding the Fourth Proportional to 1,331,783.28, 1,997,693.36 and 433,229.72

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Solution

The fourth proportional to 1,331,783.28, 1,997,693.36 and 433,229.72 is: 649,850.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,783.28 : 1,997,693.36 = 433,229.72 : x
  2. Step 2: Convert to fraction form
    1,331,783.28/1,997,693.36 = 433,229.72/x
  3. Step 3: Cross multiply
    1,331,783.28x = 1,997,693.36 × 433,229.72
  4. Step 4: Simplify right side
    1,331,783.28x = 865,460,134,998.66
  5. Step 5: Solve for x
    x = 865,460,134,998.66/1,331,783.28
  6. Step 6: Final answer
    x = 649,850.58

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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.