Home / 1,072,900.04-1,479,986.15-669,792.20

Finding the Fourth Proportional to 1,072,900.04, 1,479,986.15 and 669,792.20

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Solution

The fourth proportional to 1,072,900.04, 1,479,986.15 and 669,792.20 is: 923,928.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,900.04 : 1,479,986.15 = 669,792.20 : x
  2. Step 2: Convert to fraction form
    1,072,900.04/1,479,986.15 = 669,792.20/x
  3. Step 3: Cross multiply
    1,072,900.04x = 1,479,986.15 × 669,792.20
  4. Step 4: Simplify right side
    1,072,900.04x = 991,283,168,629.14
  5. Step 5: Solve for x
    x = 991,283,168,629.14/1,072,900.04
  6. Step 6: Final answer
    x = 923,928.73

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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.