Home / 1,288,794.60-1,932,462.90-490,102.20

Finding the Fourth Proportional to 1,288,794.60, 1,932,462.90 and 490,102.20

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Solution

The fourth proportional to 1,288,794.60, 1,932,462.90 and 490,102.20 is: 734,876.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,794.60 : 1,932,462.90 = 490,102.20 : x
  2. Step 2: Convert to fraction form
    1,288,794.60/1,932,462.90 = 490,102.20/x
  3. Step 3: Cross multiply
    1,288,794.60x = 1,932,462.90 × 490,102.20
  4. Step 4: Simplify right side
    1,288,794.60x = 947,104,318,708.38
  5. Step 5: Solve for x
    x = 947,104,318,708.38/1,288,794.60
  6. Step 6: Final answer
    x = 734,876.08

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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.