Home / 1,300,580.79-1,794,871.22-727,586.79

Finding the Fourth Proportional to 1,300,580.79, 1,794,871.22 and 727,586.79

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Solution

The fourth proportional to 1,300,580.79, 1,794,871.22 and 727,586.79 is: 1,004,108.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,580.79 : 1,794,871.22 = 727,586.79 : x
  2. Step 2: Convert to fraction form
    1,300,580.79/1,794,871.22 = 727,586.79/x
  3. Step 3: Cross multiply
    1,300,580.79x = 1,794,871.22 × 727,586.79
  4. Step 4: Simplify right side
    1,300,580.79x = 1,305,924,589,423.18
  5. Step 5: Solve for x
    x = 1,305,924,589,423.18/1,300,580.79
  6. Step 6: Final answer
    x = 1,004,108.78

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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.