Home / 1,293,856.80-1,940,785.20-822,631.20

Finding the Fourth Proportional to 1,293,856.80, 1,940,785.20 and 822,631.20

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Solution

The fourth proportional to 1,293,856.80, 1,940,785.20 and 822,631.20 is: 1,233,946.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,856.80 : 1,940,785.20 = 822,631.20 : x
  2. Step 2: Convert to fraction form
    1,293,856.80/1,940,785.20 = 822,631.20/x
  3. Step 3: Cross multiply
    1,293,856.80x = 1,940,785.20 × 822,631.20
  4. Step 4: Simplify right side
    1,293,856.80x = 1,596,550,458,018.24
  5. Step 5: Solve for x
    x = 1,596,550,458,018.24/1,293,856.80
  6. Step 6: Final answer
    x = 1,233,946.80

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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.