Home / 907,850.80-1,359,443.40-669,905.20

Finding the Fourth Proportional to 907,850.80, 1,359,443.40 and 669,905.20

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Solution

The fourth proportional to 907,850.80, 1,359,443.40 and 669,905.20 is: 1,003,136.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,850.80 : 1,359,443.40 = 669,905.20 : x
  2. Step 2: Convert to fraction form
    907,850.80/1,359,443.40 = 669,905.20/x
  3. Step 3: Cross multiply
    907,850.80x = 1,359,443.40 × 669,905.20
  4. Step 4: Simplify right side
    907,850.80x = 910,698,202,765.68
  5. Step 5: Solve for x
    x = 910,698,202,765.68/907,850.80
  6. Step 6: Final answer
    x = 1,003,136.42

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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.