Home / 1,332,438.17-1,998,209.70-433,668.53

Finding the Fourth Proportional to 1,332,438.17, 1,998,209.70 and 433,668.53

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Solution

The fourth proportional to 1,332,438.17, 1,998,209.70 and 433,668.53 is: 650,357.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,438.17 : 1,998,209.70 = 433,668.53 : x
  2. Step 2: Convert to fraction form
    1,332,438.17/1,998,209.70 = 433,668.53/x
  3. Step 3: Cross multiply
    1,332,438.17x = 1,998,209.70 × 433,668.53
  4. Step 4: Simplify right side
    1,332,438.17x = 866,560,653,239.69
  5. Step 5: Solve for x
    x = 866,560,653,239.69/1,332,438.17
  6. Step 6: Final answer
    x = 650,357.12

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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.