Home / 1,089,611.10-1,633,833.45-457,811.10

Finding the Fourth Proportional to 1,089,611.10, 1,633,833.45 and 457,811.10

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Solution

The fourth proportional to 1,089,611.10, 1,633,833.45 and 457,811.10 is: 686,471.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,611.10 : 1,633,833.45 = 457,811.10 : x
  2. Step 2: Convert to fraction form
    1,089,611.10/1,633,833.45 = 457,811.10/x
  3. Step 3: Cross multiply
    1,089,611.10x = 1,633,833.45 × 457,811.10
  4. Step 4: Simplify right side
    1,089,611.10x = 747,987,088,961.30
  5. Step 5: Solve for x
    x = 747,987,088,961.30/1,089,611.10
  6. Step 6: Final answer
    x = 686,471.61

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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.