Home / 1,089,883.24-1,634,825.76-521,130.52

Finding the Fourth Proportional to 1,089,883.24, 1,634,825.76 and 521,130.52

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Solution

The fourth proportional to 1,089,883.24, 1,634,825.76 and 521,130.52 is: 781,696.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,883.24 : 1,634,825.76 = 521,130.52 : x
  2. Step 2: Convert to fraction form
    1,089,883.24/1,634,825.76 = 521,130.52/x
  3. Step 3: Cross multiply
    1,089,883.24x = 1,634,825.76 × 521,130.52
  4. Step 4: Simplify right side
    1,089,883.24x = 851,957,598,418.20
  5. Step 5: Solve for x
    x = 851,957,598,418.20/1,089,883.24
  6. Step 6: Final answer
    x = 781,696.21

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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.