Home / 1,114,679.24-1,538,352.24-631,330.38

Finding the Fourth Proportional to 1,114,679.24, 1,538,352.24 and 631,330.38

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Solution

The fourth proportional to 1,114,679.24, 1,538,352.24 and 631,330.38 is: 871,289.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,679.24 : 1,538,352.24 = 631,330.38 : x
  2. Step 2: Convert to fraction form
    1,114,679.24/1,538,352.24 = 631,330.38/x
  3. Step 3: Cross multiply
    1,114,679.24x = 1,538,352.24 × 631,330.38
  4. Step 4: Simplify right side
    1,114,679.24x = 971,208,504,253.05
  5. Step 5: Solve for x
    x = 971,208,504,253.05/1,114,679.24
  6. Step 6: Final answer
    x = 871,289.67

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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.