Home / 1,469,235.70-2,200,901.10-990,938.80

Finding the Fourth Proportional to 1,469,235.70, 2,200,901.10 and 990,938.80

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Solution

The fourth proportional to 1,469,235.70, 2,200,901.10 and 990,938.80 is: 1,484,416.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469,235.70 : 2,200,901.10 = 990,938.80 : x
  2. Step 2: Convert to fraction form
    1,469,235.70/2,200,901.10 = 990,938.80/x
  3. Step 3: Cross multiply
    1,469,235.70x = 2,200,901.10 × 990,938.80
  4. Step 4: Simplify right side
    1,469,235.70x = 2,180,958,294,952.68
  5. Step 5: Solve for x
    x = 2,180,958,294,952.68/1,469,235.70
  6. Step 6: Final answer
    x = 1,484,416.89

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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.