Home / 1,104,342.80-1,656,287.40-305,423.60

Finding the Fourth Proportional to 1,104,342.80, 1,656,287.40 and 305,423.60

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Solution

The fourth proportional to 1,104,342.80, 1,656,287.40 and 305,423.60 is: 458,072.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,342.80 : 1,656,287.40 = 305,423.60 : x
  2. Step 2: Convert to fraction form
    1,104,342.80/1,656,287.40 = 305,423.60/x
  3. Step 3: Cross multiply
    1,104,342.80x = 1,656,287.40 × 305,423.60
  4. Step 4: Simplify right side
    1,104,342.80x = 505,869,260,342.64
  5. Step 5: Solve for x
    x = 505,869,260,342.64/1,104,342.80
  6. Step 6: Final answer
    x = 458,072.67

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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.