Home / 1,200,056.56-1,800,086.60-490,084.64

Finding the Fourth Proportional to 1,200,056.56, 1,800,086.60 and 490,084.64

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Solution

The fourth proportional to 1,200,056.56, 1,800,086.60 and 490,084.64 is: 735,127.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,056.56 : 1,800,086.60 = 490,084.64 : x
  2. Step 2: Convert to fraction form
    1,200,056.56/1,800,086.60 = 490,084.64/x
  3. Step 3: Cross multiply
    1,200,056.56x = 1,800,086.60 × 490,084.64
  4. Step 4: Simplify right side
    1,200,056.56x = 882,194,793,329.82
  5. Step 5: Solve for x
    x = 882,194,793,329.82/1,200,056.56
  6. Step 6: Final answer
    x = 735,127.68

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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.