Home / 1,091,396.12-1,505,926.78-607,949.24

Finding the Fourth Proportional to 1,091,396.12, 1,505,926.78 and 607,949.24

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Solution

The fourth proportional to 1,091,396.12, 1,505,926.78 and 607,949.24 is: 838,858.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,396.12 : 1,505,926.78 = 607,949.24 : x
  2. Step 2: Convert to fraction form
    1,091,396.12/1,505,926.78 = 607,949.24/x
  3. Step 3: Cross multiply
    1,091,396.12x = 1,505,926.78 × 607,949.24
  4. Step 4: Simplify right side
    1,091,396.12x = 915,527,041,396.65
  5. Step 5: Solve for x
    x = 915,527,041,396.65/1,091,396.12
  6. Step 6: Final answer
    x = 838,858.62

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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.