Home / 1,646,889.56-2,468,621.68-636,705.35

Finding the Fourth Proportional to 1,646,889.56, 2,468,621.68 and 636,705.35

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Solution

The fourth proportional to 1,646,889.56, 2,468,621.68 and 636,705.35 is: 954,395.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,889.56 : 2,468,621.68 = 636,705.35 : x
  2. Step 2: Convert to fraction form
    1,646,889.56/2,468,621.68 = 636,705.35/x
  3. Step 3: Cross multiply
    1,646,889.56x = 2,468,621.68 × 636,705.35
  4. Step 4: Simplify right side
    1,646,889.56x = 1,571,784,630,781.99
  5. Step 5: Solve for x
    x = 1,571,784,630,781.99/1,646,889.56
  6. Step 6: Final answer
    x = 954,395.89

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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.