Home / 1,079,837.28-1,620,051.21-472,515.17

Finding the Fourth Proportional to 1,079,837.28, 1,620,051.21 and 472,515.17

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Solution

The fourth proportional to 1,079,837.28, 1,620,051.21 and 472,515.17 is: 708,901.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,837.28 : 1,620,051.21 = 472,515.17 : x
  2. Step 2: Convert to fraction form
    1,079,837.28/1,620,051.21 = 472,515.17/x
  3. Step 3: Cross multiply
    1,079,837.28x = 1,620,051.21 × 472,515.17
  4. Step 4: Simplify right side
    1,079,837.28x = 765,498,764,801.60
  5. Step 5: Solve for x
    x = 765,498,764,801.60/1,079,837.28
  6. Step 6: Final answer
    x = 708,901.96

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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.