Home / 1,322,140.84-1,982,857.02-574,009

Finding the Fourth Proportional to 1,322,140.84, 1,982,857.02 and 574,009

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Solution

The fourth proportional to 1,322,140.84, 1,982,857.02 and 574,009 is: 860,859.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,140.84 : 1,982,857.02 = 574,009 : x
  2. Step 2: Convert to fraction form
    1,322,140.84/1,982,857.02 = 574,009/x
  3. Step 3: Cross multiply
    1,322,140.84x = 1,982,857.02 × 574,009
  4. Step 4: Simplify right side
    1,322,140.84x = 1,138,177,775,193.18
  5. Step 5: Solve for x
    x = 1,138,177,775,193.18/1,322,140.84
  6. Step 6: Final answer
    x = 860,859.71

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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.