Home / 1,115,224.38-1,672,829.28-316,506.42

Finding the Fourth Proportional to 1,115,224.38, 1,672,829.28 and 316,506.42

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Solution

The fourth proportional to 1,115,224.38, 1,672,829.28 and 316,506.42 is: 474,757.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,224.38 : 1,672,829.28 = 316,506.42 : x
  2. Step 2: Convert to fraction form
    1,115,224.38/1,672,829.28 = 316,506.42/x
  3. Step 3: Cross multiply
    1,115,224.38x = 1,672,829.28 × 316,506.42
  4. Step 4: Simplify right side
    1,115,224.38x = 529,461,206,683.98
  5. Step 5: Solve for x
    x = 529,461,206,683.98/1,115,224.38
  6. Step 6: Final answer
    x = 474,757.56

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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.