Home / 1,072,919.46-1,480,013.10-669,811.62

Finding the Fourth Proportional to 1,072,919.46, 1,480,013.10 and 669,811.62

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Solution

The fourth proportional to 1,072,919.46, 1,480,013.10 and 669,811.62 is: 923,955.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,919.46 : 1,480,013.10 = 669,811.62 : x
  2. Step 2: Convert to fraction form
    1,072,919.46/1,480,013.10 = 669,811.62/x
  3. Step 3: Cross multiply
    1,072,919.46x = 1,480,013.10 × 669,811.62
  4. Step 4: Simplify right side
    1,072,919.46x = 991,329,972,132.22
  5. Step 5: Solve for x
    x = 991,329,972,132.22/1,072,919.46
  6. Step 6: Final answer
    x = 923,955.63

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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.