Home / 1,398,340.46-2,097,066-451,490.96

Finding the Fourth Proportional to 1,398,340.46, 2,097,066 and 451,490.96

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Solution

The fourth proportional to 1,398,340.46, 2,097,066 and 451,490.96 is: 677,092.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,340.46 : 2,097,066 = 451,490.96 : x
  2. Step 2: Convert to fraction form
    1,398,340.46/2,097,066 = 451,490.96/x
  3. Step 3: Cross multiply
    1,398,340.46x = 2,097,066 × 451,490.96
  4. Step 4: Simplify right side
    1,398,340.46x = 946,806,341,523.36
  5. Step 5: Solve for x
    x = 946,806,341,523.36/1,398,340.46
  6. Step 6: Final answer
    x = 677,092.86

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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.