Home / 1,269,188.30-1,903,789.02-427,747.34

Finding the Fourth Proportional to 1,269,188.30, 1,903,789.02 and 427,747.34

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Solution

The fourth proportional to 1,269,188.30, 1,903,789.02 and 427,747.34 is: 641,623.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,188.30 : 1,903,789.02 = 427,747.34 : x
  2. Step 2: Convert to fraction form
    1,269,188.30/1,903,789.02 = 427,747.34/x
  3. Step 3: Cross multiply
    1,269,188.30x = 1,903,789.02 × 427,747.34
  4. Step 4: Simplify right side
    1,269,188.30x = 814,340,679,707.26
  5. Step 5: Solve for x
    x = 814,340,679,707.26/1,269,188.30
  6. Step 6: Final answer
    x = 641,623.22

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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.