Home / 1,072,806.72-1,480,771.20-614,178.24

Finding the Fourth Proportional to 1,072,806.72, 1,480,771.20 and 614,178.24

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Solution

The fourth proportional to 1,072,806.72, 1,480,771.20 and 614,178.24 is: 847,736.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,806.72 : 1,480,771.20 = 614,178.24 : x
  2. Step 2: Convert to fraction form
    1,072,806.72/1,480,771.20 = 614,178.24/x
  3. Step 3: Cross multiply
    1,072,806.72x = 1,480,771.20 × 614,178.24
  4. Step 4: Simplify right side
    1,072,806.72x = 909,457,449,458.69
  5. Step 5: Solve for x
    x = 909,457,449,458.69/1,072,806.72
  6. Step 6: Final answer
    x = 847,736.53

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Double scale
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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.