Home / 1,304,617.80-1,800,385.61-731,645.67

Finding the Fourth Proportional to 1,304,617.80, 1,800,385.61 and 731,645.67

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Solution

The fourth proportional to 1,304,617.80, 1,800,385.61 and 731,645.67 is: 1,009,678.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,617.80 : 1,800,385.61 = 731,645.67 : x
  2. Step 2: Convert to fraction form
    1,304,617.80/1,800,385.61 = 731,645.67/x
  3. Step 3: Cross multiply
    1,304,617.80x = 1,800,385.61 × 731,645.67
  4. Step 4: Simplify right side
    1,304,617.80x = 1,317,244,332,228.58
  5. Step 5: Solve for x
    x = 1,317,244,332,228.58/1,304,617.80
  6. Step 6: Final answer
    x = 1,009,678.34

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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.