Home / 1,305,220.28-1,959,752.32-729,970.61

Finding the Fourth Proportional to 1,305,220.28, 1,959,752.32 and 729,970.61

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Solution

The fourth proportional to 1,305,220.28, 1,959,752.32 and 729,970.61 is: 1,096,030.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,220.28 : 1,959,752.32 = 729,970.61 : x
  2. Step 2: Convert to fraction form
    1,305,220.28/1,959,752.32 = 729,970.61/x
  3. Step 3: Cross multiply
    1,305,220.28x = 1,959,752.32 × 729,970.61
  4. Step 4: Simplify right side
    1,305,220.28x = 1,430,561,593,404.86
  5. Step 5: Solve for x
    x = 1,430,561,593,404.86/1,305,220.28
  6. Step 6: Final answer
    x = 1,096,030.77

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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.