Home / 1,128,229.62-1,692,345.06-560,003.28

Finding the Fourth Proportional to 1,128,229.62, 1,692,345.06 and 560,003.28

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Solution

The fourth proportional to 1,128,229.62, 1,692,345.06 and 560,003.28 is: 840,005.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,229.62 : 1,692,345.06 = 560,003.28 : x
  2. Step 2: Convert to fraction form
    1,128,229.62/1,692,345.06 = 560,003.28/x
  3. Step 3: Cross multiply
    1,128,229.62x = 1,692,345.06 × 560,003.28
  4. Step 4: Simplify right side
    1,128,229.62x = 947,718,784,491.80
  5. Step 5: Solve for x
    x = 947,718,784,491.80/1,128,229.62
  6. Step 6: Final answer
    x = 840,005.23

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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.