Home / 1,147,930.40-1,584,158.54-631,743.73

Finding the Fourth Proportional to 1,147,930.40, 1,584,158.54 and 631,743.73

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Solution

The fourth proportional to 1,147,930.40, 1,584,158.54 and 631,743.73 is: 871,814.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,930.40 : 1,584,158.54 = 631,743.73 : x
  2. Step 2: Convert to fraction form
    1,147,930.40/1,584,158.54 = 631,743.73/x
  3. Step 3: Cross multiply
    1,147,930.40x = 1,584,158.54 × 631,743.73
  4. Step 4: Simplify right side
    1,147,930.40x = 1,000,782,217,851.84
  5. Step 5: Solve for x
    x = 1,000,782,217,851.84/1,147,930.40
  6. Step 6: Final answer
    x = 871,814.37

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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.