Home / 1,359,896.40-2,040,346.80-561,247.20

Finding the Fourth Proportional to 1,359,896.40, 2,040,346.80 and 561,247.20

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Solution

The fourth proportional to 1,359,896.40, 2,040,346.80 and 561,247.20 is: 842,078.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,896.40 : 2,040,346.80 = 561,247.20 : x
  2. Step 2: Convert to fraction form
    1,359,896.40/2,040,346.80 = 561,247.20/x
  3. Step 3: Cross multiply
    1,359,896.40x = 2,040,346.80 × 561,247.20
  4. Step 4: Simplify right side
    1,359,896.40x = 1,145,138,928,528.96
  5. Step 5: Solve for x
    x = 1,145,138,928,528.96/1,359,896.40
  6. Step 6: Final answer
    x = 842,078.06

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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.