Home / 1,388,249.39-2,082,162.88-535,196.58

Finding the Fourth Proportional to 1,388,249.39, 2,082,162.88 and 535,196.58

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Solution

The fourth proportional to 1,388,249.39, 2,082,162.88 and 535,196.58 is: 802,713.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,249.39 : 2,082,162.88 = 535,196.58 : x
  2. Step 2: Convert to fraction form
    1,388,249.39/2,082,162.88 = 535,196.58/x
  3. Step 3: Cross multiply
    1,388,249.39x = 2,082,162.88 × 535,196.58
  4. Step 4: Simplify right side
    1,388,249.39x = 1,114,366,445,239.84
  5. Step 5: Solve for x
    x = 1,114,366,445,239.84/1,388,249.39
  6. Step 6: Final answer
    x = 802,713.44

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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.