Home / 1,307,021.46-1,957,693.08-631,686.42

Finding the Fourth Proportional to 1,307,021.46, 1,957,693.08 and 631,686.42

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Solution

The fourth proportional to 1,307,021.46, 1,957,693.08 and 631,686.42 is: 946,157.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,021.46 : 1,957,693.08 = 631,686.42 : x
  2. Step 2: Convert to fraction form
    1,307,021.46/1,957,693.08 = 631,686.42/x
  3. Step 3: Cross multiply
    1,307,021.46x = 1,957,693.08 × 631,686.42
  4. Step 4: Simplify right side
    1,307,021.46x = 1,236,648,133,163.97
  5. Step 5: Solve for x
    x = 1,236,648,133,163.97/1,307,021.46
  6. Step 6: Final answer
    x = 946,157.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.