Home / 1,392,259.96-2,088,651.30-445,376.44

Finding the Fourth Proportional to 1,392,259.96, 2,088,651.30 and 445,376.44

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Solution

The fourth proportional to 1,392,259.96, 2,088,651.30 and 445,376.44 is: 668,148.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,259.96 : 2,088,651.30 = 445,376.44 : x
  2. Step 2: Convert to fraction form
    1,392,259.96/2,088,651.30 = 445,376.44/x
  3. Step 3: Cross multiply
    1,392,259.96x = 2,088,651.30 × 445,376.44
  4. Step 4: Simplify right side
    1,392,259.96x = 930,236,080,395.37
  5. Step 5: Solve for x
    x = 930,236,080,395.37/1,392,259.96
  6. Step 6: Final answer
    x = 668,148.27

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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.