Home / 1,646,926.75-2,468,677.38-636,742.54

Finding the Fourth Proportional to 1,646,926.75, 2,468,677.38 and 636,742.54

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Solution

The fourth proportional to 1,646,926.75, 2,468,677.38 and 636,742.54 is: 954,451.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,926.75 : 2,468,677.38 = 636,742.54 : x
  2. Step 2: Convert to fraction form
    1,646,926.75/2,468,677.38 = 636,742.54/x
  3. Step 3: Cross multiply
    1,646,926.75x = 2,468,677.38 × 636,742.54
  4. Step 4: Simplify right side
    1,646,926.75x = 1,571,911,905,381.75
  5. Step 5: Solve for x
    x = 1,571,911,905,381.75/1,646,926.75
  6. Step 6: Final answer
    x = 954,451.62

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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.