Home / 1,306,299.60-1,959,522.36-407,865.36

Finding the Fourth Proportional to 1,306,299.60, 1,959,522.36 and 407,865.36

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Solution

The fourth proportional to 1,306,299.60, 1,959,522.36 and 407,865.36 is: 611,820.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,299.60 : 1,959,522.36 = 407,865.36 : x
  2. Step 2: Convert to fraction form
    1,306,299.60/1,959,522.36 = 407,865.36/x
  3. Step 3: Cross multiply
    1,306,299.60x = 1,959,522.36 × 407,865.36
  4. Step 4: Simplify right side
    1,306,299.60x = 799,221,292,789.45
  5. Step 5: Solve for x
    x = 799,221,292,789.45/1,306,299.60
  6. Step 6: Final answer
    x = 611,820.82

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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.