Home / 1,551,634.13-2,141,002.78-863,288.30

Finding the Fourth Proportional to 1,551,634.13, 2,141,002.78 and 863,288.30

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Solution

The fourth proportional to 1,551,634.13, 2,141,002.78 and 863,288.30 is: 1,191,197.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,634.13 : 2,141,002.78 = 863,288.30 : x
  2. Step 2: Convert to fraction form
    1,551,634.13/2,141,002.78 = 863,288.30/x
  3. Step 3: Cross multiply
    1,551,634.13x = 2,141,002.78 × 863,288.30
  4. Step 4: Simplify right side
    1,551,634.13x = 1,848,302,650,241.47
  5. Step 5: Solve for x
    x = 1,848,302,650,241.47/1,551,634.13
  6. Step 6: Final answer
    x = 1,191,197.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.