Home / 1,093,255.10-1,509,394.47-685,915.82

Finding the Fourth Proportional to 1,093,255.10, 1,509,394.47 and 685,915.82

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Solution

The fourth proportional to 1,093,255.10, 1,509,394.47 and 685,915.82 is: 947,004.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,255.10 : 1,509,394.47 = 685,915.82 : x
  2. Step 2: Convert to fraction form
    1,093,255.10/1,509,394.47 = 685,915.82/x
  3. Step 3: Cross multiply
    1,093,255.10x = 1,509,394.47 × 685,915.82
  4. Step 4: Simplify right side
    1,093,255.10x = 1,035,317,545,593.52
  5. Step 5: Solve for x
    x = 1,035,317,545,593.52/1,093,255.10
  6. Step 6: Final answer
    x = 947,004.54

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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.