Home / 1,144,845.90-1,717,315.53-291,939.66

Finding the Fourth Proportional to 1,144,845.90, 1,717,315.53 and 291,939.66

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Solution

The fourth proportional to 1,144,845.90, 1,717,315.53 and 291,939.66 is: 437,921.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,845.90 : 1,717,315.53 = 291,939.66 : x
  2. Step 2: Convert to fraction form
    1,144,845.90/1,717,315.53 = 291,939.66/x
  3. Step 3: Cross multiply
    1,144,845.90x = 1,717,315.53 × 291,939.66
  4. Step 4: Simplify right side
    1,144,845.90x = 501,352,510,846.15
  5. Step 5: Solve for x
    x = 501,352,510,846.15/1,144,845.90
  6. Step 6: Final answer
    x = 437,921.39

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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.