Home / 1,375,851.36-2,062,980-533,416.80

Finding the Fourth Proportional to 1,375,851.36, 2,062,980 and 533,416.80

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Solution

The fourth proportional to 1,375,851.36, 2,062,980 and 533,416.80 is: 799,816.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,851.36 : 2,062,980 = 533,416.80 : x
  2. Step 2: Convert to fraction form
    1,375,851.36/2,062,980 = 533,416.80/x
  3. Step 3: Cross multiply
    1,375,851.36x = 2,062,980 × 533,416.80
  4. Step 4: Simplify right side
    1,375,851.36x = 1,100,428,190,064
  5. Step 5: Solve for x
    x = 1,100,428,190,064/1,375,851.36
  6. Step 6: Final answer
    x = 799,816.19

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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.