Home / 1,305,759.32-1,802,004.13-724,982.47

Finding the Fourth Proportional to 1,305,759.32, 1,802,004.13 and 724,982.47

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Solution

The fourth proportional to 1,305,759.32, 1,802,004.13 and 724,982.47 is: 1,000,507.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,759.32 : 1,802,004.13 = 724,982.47 : x
  2. Step 2: Convert to fraction form
    1,305,759.32/1,802,004.13 = 724,982.47/x
  3. Step 3: Cross multiply
    1,305,759.32x = 1,802,004.13 × 724,982.47
  4. Step 4: Simplify right side
    1,305,759.32x = 1,306,421,401,518.82
  5. Step 5: Solve for x
    x = 1,306,421,401,518.82/1,305,759.32
  6. Step 6: Final answer
    x = 1,000,507.05

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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.