Home / 1,388,694.90-2,073,814.76-1,373,665.08

Finding the Fourth Proportional to 1,388,694.90, 2,073,814.76 and 1,373,665.08

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Solution

The fourth proportional to 1,388,694.90, 2,073,814.76 and 1,373,665.08 is: 2,051,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,694.90 : 2,073,814.76 = 1,373,665.08 : x
  2. Step 2: Convert to fraction form
    1,388,694.90/2,073,814.76 = 1,373,665.08/x
  3. Step 3: Cross multiply
    1,388,694.90x = 2,073,814.76 × 1,373,665.08
  4. Step 4: Simplify right side
    1,388,694.90x = 2,848,726,918,200.58
  5. Step 5: Solve for x
    x = 2,848,726,918,200.58/1,388,694.90
  6. Step 6: Final answer
    x = 2,051,369.90

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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.