Home / 1,721,321.80-2,576,733.90-1,009,234.60

Finding the Fourth Proportional to 1,721,321.80, 2,576,733.90 and 1,009,234.60

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Solution

The fourth proportional to 1,721,321.80, 2,576,733.90 and 1,009,234.60 is: 1,510,774.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,321.80 : 2,576,733.90 = 1,009,234.60 : x
  2. Step 2: Convert to fraction form
    1,721,321.80/2,576,733.90 = 1,009,234.60/x
  3. Step 3: Cross multiply
    1,721,321.80x = 2,576,733.90 × 1,009,234.60
  4. Step 4: Simplify right side
    1,721,321.80x = 2,600,529,006,872.94
  5. Step 5: Solve for x
    x = 2,600,529,006,872.94/1,721,321.80
  6. Step 6: Final answer
    x = 1,510,774.46

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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.