Home / 1,072,898.53-1,479,984.08-669,790.69

Finding the Fourth Proportional to 1,072,898.53, 1,479,984.08 and 669,790.69

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Solution

The fourth proportional to 1,072,898.53, 1,479,984.08 and 669,790.69 is: 923,926.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,898.53 : 1,479,984.08 = 669,790.69 : x
  2. Step 2: Convert to fraction form
    1,072,898.53/1,479,984.08 = 669,790.69/x
  3. Step 3: Cross multiply
    1,072,898.53x = 1,479,984.08 × 669,790.69
  4. Step 4: Simplify right side
    1,072,898.53x = 991,279,551,083.30
  5. Step 5: Solve for x
    x = 991,279,551,083.30/1,072,898.53
  6. Step 6: Final answer
    x = 923,926.66

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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.