Home / 1,305,077.67-1,800,603.57-760,828.22

Finding the Fourth Proportional to 1,305,077.67, 1,800,603.57 and 760,828.22

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Solution

The fourth proportional to 1,305,077.67, 1,800,603.57 and 760,828.22 is: 1,049,707.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,077.67 : 1,800,603.57 = 760,828.22 : x
  2. Step 2: Convert to fraction form
    1,305,077.67/1,800,603.57 = 760,828.22/x
  3. Step 3: Cross multiply
    1,305,077.67x = 1,800,603.57 × 760,828.22
  4. Step 4: Simplify right side
    1,305,077.67x = 1,369,950,004,626.90
  5. Step 5: Solve for x
    x = 1,369,950,004,626.90/1,305,077.67
  6. Step 6: Final answer
    x = 1,049,707.64

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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.