Home / 1,259,302.72-1,738,502.28-1,011,603.28

Finding the Fourth Proportional to 1,259,302.72, 1,738,502.28 and 1,011,603.28

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Solution

The fourth proportional to 1,259,302.72, 1,738,502.28 and 1,011,603.28 is: 1,396,546.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,302.72 : 1,738,502.28 = 1,011,603.28 : x
  2. Step 2: Convert to fraction form
    1,259,302.72/1,738,502.28 = 1,011,603.28/x
  3. Step 3: Cross multiply
    1,259,302.72x = 1,738,502.28 × 1,011,603.28
  4. Step 4: Simplify right side
    1,259,302.72x = 1,758,674,608,735.48
  5. Step 5: Solve for x
    x = 1,758,674,608,735.48/1,259,302.72
  6. Step 6: Final answer
    x = 1,396,546.34

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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.