Home / 1,204,356.76-1,662,194.38-688,219.28

Finding the Fourth Proportional to 1,204,356.76, 1,662,194.38 and 688,219.28

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Solution

The fourth proportional to 1,204,356.76, 1,662,194.38 and 688,219.28 is: 949,846.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,356.76 : 1,662,194.38 = 688,219.28 : x
  2. Step 2: Convert to fraction form
    1,204,356.76/1,662,194.38 = 688,219.28/x
  3. Step 3: Cross multiply
    1,204,356.76x = 1,662,194.38 × 688,219.28
  4. Step 4: Simplify right side
    1,204,356.76x = 1,143,954,219,423.65
  5. Step 5: Solve for x
    x = 1,143,954,219,423.65/1,204,356.76
  6. Step 6: Final answer
    x = 949,846.64

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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.