Home / 1,204,633.87-1,662,364.78-688,355.00

Finding the Fourth Proportional to 1,204,633.87, 1,662,364.78 and 688,355.00

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Solution

The fourth proportional to 1,204,633.87, 1,662,364.78 and 688,355.00 is: 949,912.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,633.87 : 1,662,364.78 = 688,355.00 : x
  2. Step 2: Convert to fraction form
    1,204,633.87/1,662,364.78 = 688,355.00/x
  3. Step 3: Cross multiply
    1,204,633.87x = 1,662,364.78 × 688,355.00
  4. Step 4: Simplify right side
    1,204,633.87x = 1,144,297,113,153.26
  5. Step 5: Solve for x
    x = 1,144,297,113,153.26/1,204,633.87
  6. Step 6: Final answer
    x = 949,912.79

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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.