Home / 1,072,918.96-1,480,012.41-669,811.12

Finding the Fourth Proportional to 1,072,918.96, 1,480,012.41 and 669,811.12

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Solution

The fourth proportional to 1,072,918.96, 1,480,012.41 and 669,811.12 is: 923,954.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,918.96 : 1,480,012.41 = 669,811.12 : x
  2. Step 2: Convert to fraction form
    1,072,918.96/1,480,012.41 = 669,811.12/x
  3. Step 3: Cross multiply
    1,072,918.96x = 1,480,012.41 × 669,811.12
  4. Step 4: Simplify right side
    1,072,918.96x = 991,328,769,956.00
  5. Step 5: Solve for x
    x = 991,328,769,956.00/1,072,918.96
  6. Step 6: Final answer
    x = 923,954.94

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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.