Home / 1,347,450.80-2,018,843.40-873,892.40

Finding the Fourth Proportional to 1,347,450.80, 2,018,843.40 and 873,892.40

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Solution

The fourth proportional to 1,347,450.80, 2,018,843.40 and 873,892.40 is: 1,309,325.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,450.80 : 2,018,843.40 = 873,892.40 : x
  2. Step 2: Convert to fraction form
    1,347,450.80/2,018,843.40 = 873,892.40/x
  3. Step 3: Cross multiply
    1,347,450.80x = 2,018,843.40 × 873,892.40
  4. Step 4: Simplify right side
    1,347,450.80x = 1,764,251,904,050.16
  5. Step 5: Solve for x
    x = 1,764,251,904,050.16/1,347,450.80
  6. Step 6: Final answer
    x = 1,309,325.66

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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.