Home / 1,126,541.22-1,689,609.90-316,731.42

Finding the Fourth Proportional to 1,126,541.22, 1,689,609.90 and 316,731.42

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Solution

The fourth proportional to 1,126,541.22, 1,689,609.90 and 316,731.42 is: 475,040.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,541.22 : 1,689,609.90 = 316,731.42 : x
  2. Step 2: Convert to fraction form
    1,126,541.22/1,689,609.90 = 316,731.42/x
  3. Step 3: Cross multiply
    1,126,541.22x = 1,689,609.90 × 316,731.42
  4. Step 4: Simplify right side
    1,126,541.22x = 535,152,542,873.06
  5. Step 5: Solve for x
    x = 535,152,542,873.06/1,126,541.22
  6. Step 6: Final answer
    x = 475,040.36

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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.