Home / 1,166,421.31-1,609,695.53-682,941.22

Finding the Fourth Proportional to 1,166,421.31, 1,609,695.53 and 682,941.22

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Solution

The fourth proportional to 1,166,421.31, 1,609,695.53 and 682,941.22 is: 942,478.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,421.31 : 1,609,695.53 = 682,941.22 : x
  2. Step 2: Convert to fraction form
    1,166,421.31/1,609,695.53 = 682,941.22/x
  3. Step 3: Cross multiply
    1,166,421.31x = 1,609,695.53 × 682,941.22
  4. Step 4: Simplify right side
    1,166,421.31x = 1,099,327,425,672.04
  5. Step 5: Solve for x
    x = 1,099,327,425,672.04/1,166,421.31
  6. Step 6: Final answer
    x = 942,478.86

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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.