Home / 1,392,246.30-2,088,369.45-445,647.90

Finding the Fourth Proportional to 1,392,246.30, 2,088,369.45 and 445,647.90

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Solution

The fourth proportional to 1,392,246.30, 2,088,369.45 and 445,647.90 is: 668,471.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,246.30 : 2,088,369.45 = 445,647.90 : x
  2. Step 2: Convert to fraction form
    1,392,246.30/2,088,369.45 = 445,647.90/x
  3. Step 3: Cross multiply
    1,392,246.30x = 2,088,369.45 × 445,647.90
  4. Step 4: Simplify right side
    1,392,246.30x = 930,677,459,816.66
  5. Step 5: Solve for x
    x = 930,677,459,816.66/1,392,246.30
  6. Step 6: Final answer
    x = 668,471.85

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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.