Home / 1,089,725.28-1,634,571.50-490,263.09

Finding the Fourth Proportional to 1,089,725.28, 1,634,571.50 and 490,263.09

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Solution

The fourth proportional to 1,089,725.28, 1,634,571.50 and 490,263.09 is: 735,387.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,725.28 : 1,634,571.50 = 490,263.09 : x
  2. Step 2: Convert to fraction form
    1,089,725.28/1,634,571.50 = 490,263.09/x
  3. Step 3: Cross multiply
    1,089,725.28x = 1,634,571.50 × 490,263.09
  4. Step 4: Simplify right side
    1,089,725.28x = 801,370,071,964.62
  5. Step 5: Solve for x
    x = 801,370,071,964.62/1,089,725.28
  6. Step 6: Final answer
    x = 735,387.25

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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.