Home / 1,406,196.70-2,109,346.90-722,900.42

Finding the Fourth Proportional to 1,406,196.70, 2,109,346.90 and 722,900.42

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Solution

The fourth proportional to 1,406,196.70, 2,109,346.90 and 722,900.42 is: 1,084,377.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,196.70 : 2,109,346.90 = 722,900.42 : x
  2. Step 2: Convert to fraction form
    1,406,196.70/2,109,346.90 = 722,900.42/x
  3. Step 3: Cross multiply
    1,406,196.70x = 2,109,346.90 × 722,900.42
  4. Step 4: Simplify right side
    1,406,196.70x = 1,524,847,759,935.70
  5. Step 5: Solve for x
    x = 1,524,847,759,935.70/1,406,196.70
  6. Step 6: Final answer
    x = 1,084,377.29

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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.