Home / 1,399,054.04-2,098,580.43-388,175.83

Finding the Fourth Proportional to 1,399,054.04, 2,098,580.43 and 388,175.83

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Solution

The fourth proportional to 1,399,054.04, 2,098,580.43 and 388,175.83 is: 582,263.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,054.04 : 2,098,580.43 = 388,175.83 : x
  2. Step 2: Convert to fraction form
    1,399,054.04/2,098,580.43 = 388,175.83/x
  3. Step 3: Cross multiply
    1,399,054.04x = 2,098,580.43 × 388,175.83
  4. Step 4: Simplify right side
    1,399,054.04x = 814,618,196,446.22
  5. Step 5: Solve for x
    x = 814,618,196,446.22/1,399,054.04
  6. Step 6: Final answer
    x = 582,263.57

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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.