Home / 1,040,104.05-1,560,156.08-685,518.45

Finding the Fourth Proportional to 1,040,104.05, 1,560,156.08 and 685,518.45

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Solution

The fourth proportional to 1,040,104.05, 1,560,156.08 and 685,518.45 is: 1,028,277.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,104.05 : 1,560,156.08 = 685,518.45 : x
  2. Step 2: Convert to fraction form
    1,040,104.05/1,560,156.08 = 685,518.45/x
  3. Step 3: Cross multiply
    1,040,104.05x = 1,560,156.08 × 685,518.45
  4. Step 4: Simplify right side
    1,040,104.05x = 1,069,515,774,292.08
  5. Step 5: Solve for x
    x = 1,069,515,774,292.08/1,040,104.05
  6. Step 6: Final answer
    x = 1,028,277.68

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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.