Home / 1,129,536.96-1,558,749.78-613,279.50

Finding the Fourth Proportional to 1,129,536.96, 1,558,749.78 and 613,279.50

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Solution

The fourth proportional to 1,129,536.96, 1,558,749.78 and 613,279.50 is: 846,319.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,536.96 : 1,558,749.78 = 613,279.50 : x
  2. Step 2: Convert to fraction form
    1,129,536.96/1,558,749.78 = 613,279.50/x
  3. Step 3: Cross multiply
    1,129,536.96x = 1,558,749.78 × 613,279.50
  4. Step 4: Simplify right side
    1,129,536.96x = 955,949,285,703.51
  5. Step 5: Solve for x
    x = 955,949,285,703.51/1,129,536.96
  6. Step 6: Final answer
    x = 846,319.62

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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.