Home / 1,072,087.62-1,478,922.48-868,368.57

Finding the Fourth Proportional to 1,072,087.62, 1,478,922.48 and 868,368.57

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Solution

The fourth proportional to 1,072,087.62, 1,478,922.48 and 868,368.57 is: 1,197,896.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,087.62 : 1,478,922.48 = 868,368.57 : x
  2. Step 2: Convert to fraction form
    1,072,087.62/1,478,922.48 = 868,368.57/x
  3. Step 3: Cross multiply
    1,072,087.62x = 1,478,922.48 × 868,368.57
  4. Step 4: Simplify right side
    1,072,087.62x = 1,284,249,799,098.45
  5. Step 5: Solve for x
    x = 1,284,249,799,098.45/1,072,087.62
  6. Step 6: Final answer
    x = 1,197,896.31

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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.