Home / 1,528,078.41-2,108,760.71-955,450.53

Finding the Fourth Proportional to 1,528,078.41, 2,108,760.71 and 955,450.53

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Solution

The fourth proportional to 1,528,078.41, 2,108,760.71 and 955,450.53 is: 1,318,529.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,078.41 : 2,108,760.71 = 955,450.53 : x
  2. Step 2: Convert to fraction form
    1,528,078.41/2,108,760.71 = 955,450.53/x
  3. Step 3: Cross multiply
    1,528,078.41x = 2,108,760.71 × 955,450.53
  4. Step 4: Simplify right side
    1,528,078.41x = 2,014,816,531,546.46
  5. Step 5: Solve for x
    x = 2,014,816,531,546.46/1,528,078.41
  6. Step 6: Final answer
    x = 1,318,529.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.