Home / 1,388,695.41-2,073,815.51-1,373,665.59

Finding the Fourth Proportional to 1,388,695.41, 2,073,815.51 and 1,373,665.59

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Solution

The fourth proportional to 1,388,695.41, 2,073,815.51 and 1,373,665.59 is: 2,051,370.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,695.41 : 2,073,815.51 = 1,373,665.59 : x
  2. Step 2: Convert to fraction form
    1,388,695.41/2,073,815.51 = 1,373,665.59/x
  3. Step 3: Cross multiply
    1,388,695.41x = 2,073,815.51 × 1,373,665.59
  4. Step 4: Simplify right side
    1,388,695.41x = 2,848,728,999,226.97
  5. Step 5: Solve for x
    x = 2,848,728,999,226.97/1,388,695.41
  6. Step 6: Final answer
    x = 2,051,370.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.