Home / 1,147,929.22-1,584,156.89-631,742.54

Finding the Fourth Proportional to 1,147,929.22, 1,584,156.89 and 631,742.54

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Solution

The fourth proportional to 1,147,929.22, 1,584,156.89 and 631,742.54 is: 871,812.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,929.22 : 1,584,156.89 = 631,742.54 : x
  2. Step 2: Convert to fraction form
    1,147,929.22/1,584,156.89 = 631,742.54/x
  3. Step 3: Cross multiply
    1,147,929.22x = 1,584,156.89 × 631,742.54
  4. Step 4: Simplify right side
    1,147,929.22x = 1,000,779,297,447.10
  5. Step 5: Solve for x
    x = 1,000,779,297,447.10/1,147,929.22
  6. Step 6: Final answer
    x = 871,812.73

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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.