Home / 1,646,890.81-2,468,623.56-636,706.60

Finding the Fourth Proportional to 1,646,890.81, 2,468,623.56 and 636,706.60

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Solution

The fourth proportional to 1,646,890.81, 2,468,623.56 and 636,706.60 is: 954,397.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,890.81 : 2,468,623.56 = 636,706.60 : x
  2. Step 2: Convert to fraction form
    1,646,890.81/2,468,623.56 = 636,706.60/x
  3. Step 3: Cross multiply
    1,646,890.81x = 2,468,623.56 × 636,706.60
  4. Step 4: Simplify right side
    1,646,890.81x = 1,571,788,905,008.29
  5. Step 5: Solve for x
    x = 1,571,788,905,008.29/1,646,890.81
  6. Step 6: Final answer
    x = 954,397.76

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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.