Home / 1,200,508.96-1,800,766.52-490,537.00

Finding the Fourth Proportional to 1,200,508.96, 1,800,766.52 and 490,537.00

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Solution

The fourth proportional to 1,200,508.96, 1,800,766.52 and 490,537.00 is: 735,806.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,508.96 : 1,800,766.52 = 490,537.00 : x
  2. Step 2: Convert to fraction form
    1,200,508.96/1,800,766.52 = 490,537.00/x
  3. Step 3: Cross multiply
    1,200,508.96x = 1,800,766.52 × 490,537.00
  4. Step 4: Simplify right side
    1,200,508.96x = 883,342,604,491.96
  5. Step 5: Solve for x
    x = 883,342,604,491.96/1,200,508.96
  6. Step 6: Final answer
    x = 735,806.76

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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.