Home / 1,359,923.40-2,040,387.30-561,274.20

Finding the Fourth Proportional to 1,359,923.40, 2,040,387.30 and 561,274.20

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Solution

The fourth proportional to 1,359,923.40, 2,040,387.30 and 561,274.20 is: 842,118.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,923.40 : 2,040,387.30 = 561,274.20 : x
  2. Step 2: Convert to fraction form
    1,359,923.40/2,040,387.30 = 561,274.20/x
  3. Step 3: Cross multiply
    1,359,923.40x = 2,040,387.30 × 561,274.20
  4. Step 4: Simplify right side
    1,359,923.40x = 1,145,216,749,497.66
  5. Step 5: Solve for x
    x = 1,145,216,749,497.66/1,359,923.40
  6. Step 6: Final answer
    x = 842,118.57

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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.