Home / 1,089,767.82-1,634,653.10-521,015.24

Finding the Fourth Proportional to 1,089,767.82, 1,634,653.10 and 521,015.24

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Solution

The fourth proportional to 1,089,767.82, 1,634,653.10 and 521,015.24 is: 781,523.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,767.82 : 1,634,653.10 = 521,015.24 : x
  2. Step 2: Convert to fraction form
    1,089,767.82/1,634,653.10 = 521,015.24/x
  3. Step 3: Cross multiply
    1,089,767.82x = 1,634,653.10 × 521,015.24
  4. Step 4: Simplify right side
    1,089,767.82x = 851,679,173,407.49
  5. Step 5: Solve for x
    x = 851,679,173,407.49/1,089,767.82
  6. Step 6: Final answer
    x = 781,523.51

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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.