Home / 1,200,516.65-1,800,778.02-490,544.69

Finding the Fourth Proportional to 1,200,516.65, 1,800,778.02 and 490,544.69

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Solution

The fourth proportional to 1,200,516.65, 1,800,778.02 and 490,544.69 is: 735,818.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,516.65 : 1,800,778.02 = 490,544.69 : x
  2. Step 2: Convert to fraction form
    1,200,516.65/1,800,778.02 = 490,544.69/x
  3. Step 3: Cross multiply
    1,200,516.65x = 1,800,778.02 × 490,544.69
  4. Step 4: Simplify right side
    1,200,516.65x = 883,362,086,575.82
  5. Step 5: Solve for x
    x = 883,362,086,575.82/1,200,516.65
  6. Step 6: Final answer
    x = 735,818.27

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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.