Home / 1,008,021.91-1,512,254.09-740,972.80

Finding the Fourth Proportional to 1,008,021.91, 1,512,254.09 and 740,972.80

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Solution

The fourth proportional to 1,008,021.91, 1,512,254.09 and 740,972.80 is: 1,111,621.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,021.91 : 1,512,254.09 = 740,972.80 : x
  2. Step 2: Convert to fraction form
    1,008,021.91/1,512,254.09 = 740,972.80/x
  3. Step 3: Cross multiply
    1,008,021.91x = 1,512,254.09 × 740,972.80
  4. Step 4: Simplify right side
    1,008,021.91x = 1,120,539,143,673.89
  5. Step 5: Solve for x
    x = 1,120,539,143,673.89/1,008,021.91
  6. Step 6: Final answer
    x = 1,111,621.82

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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.