Home / 1,089,308.40-1,633,573.80-379,359.60

Finding the Fourth Proportional to 1,089,308.40, 1,633,573.80 and 379,359.60

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Solution

The fourth proportional to 1,089,308.40, 1,633,573.80 and 379,359.60 is: 568,904.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,308.40 : 1,633,573.80 = 379,359.60 : x
  2. Step 2: Convert to fraction form
    1,089,308.40/1,633,573.80 = 379,359.60/x
  3. Step 3: Cross multiply
    1,089,308.40x = 1,633,573.80 × 379,359.60
  4. Step 4: Simplify right side
    1,089,308.40x = 619,711,903,338.48
  5. Step 5: Solve for x
    x = 619,711,903,338.48/1,089,308.40
  6. Step 6: Final answer
    x = 568,904.00

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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.