Home / 1,072,903.53-1,479,990.97-669,795.69

Finding the Fourth Proportional to 1,072,903.53, 1,479,990.97 and 669,795.69

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Solution

The fourth proportional to 1,072,903.53, 1,479,990.97 and 669,795.69 is: 923,933.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,903.53 : 1,479,990.97 = 669,795.69 : x
  2. Step 2: Convert to fraction form
    1,072,903.53/1,479,990.97 = 669,795.69/x
  3. Step 3: Cross multiply
    1,072,903.53x = 1,479,990.97 × 669,795.69
  4. Step 4: Simplify right side
    1,072,903.53x = 991,291,572,944.92
  5. Step 5: Solve for x
    x = 991,291,572,944.92/1,072,903.53
  6. Step 6: Final answer
    x = 923,933.56

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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.