Home / 1,015,076.34-1,522,806.54-407,911.92

Finding the Fourth Proportional to 1,015,076.34, 1,522,806.54 and 407,911.92

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Solution

The fourth proportional to 1,015,076.34, 1,522,806.54 and 407,911.92 is: 611,945.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,076.34 : 1,522,806.54 = 407,911.92 : x
  2. Step 2: Convert to fraction form
    1,015,076.34/1,522,806.54 = 407,911.92/x
  3. Step 3: Cross multiply
    1,015,076.34x = 1,522,806.54 × 407,911.92
  4. Step 4: Simplify right side
    1,015,076.34x = 621,170,939,519.96
  5. Step 5: Solve for x
    x = 621,170,939,519.96/1,015,076.34
  6. Step 6: Final answer
    x = 611,945.05

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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.