Home / 1,129,279.87-1,558,407.23-613,033.39

Finding the Fourth Proportional to 1,129,279.87, 1,558,407.23 and 613,033.39

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Solution

The fourth proportional to 1,129,279.87, 1,558,407.23 and 613,033.39 is: 845,986.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,279.87 : 1,558,407.23 = 613,033.39 : x
  2. Step 2: Convert to fraction form
    1,129,279.87/1,558,407.23 = 613,033.39/x
  3. Step 3: Cross multiply
    1,129,279.87x = 1,558,407.23 × 613,033.39
  4. Step 4: Simplify right side
    1,129,279.87x = 955,355,667,207.41
  5. Step 5: Solve for x
    x = 955,355,667,207.41/1,129,279.87
  6. Step 6: Final answer
    x = 845,986.63

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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.