Home / 1,072,901.53-1,479,988.21-669,793.69

Finding the Fourth Proportional to 1,072,901.53, 1,479,988.21 and 669,793.69

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Solution

The fourth proportional to 1,072,901.53, 1,479,988.21 and 669,793.69 is: 923,930.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,901.53 : 1,479,988.21 = 669,793.69 : x
  2. Step 2: Convert to fraction form
    1,072,901.53/1,479,988.21 = 669,793.69/x
  3. Step 3: Cross multiply
    1,072,901.53x = 1,479,988.21 × 669,793.69
  4. Step 4: Simplify right side
    1,072,901.53x = 991,286,764,332.40
  5. Step 5: Solve for x
    x = 991,286,764,332.40/1,072,901.53
  6. Step 6: Final answer
    x = 923,930.80

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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.