Home / 1,078,768.80-1,619,319.60-606,376.80

Finding the Fourth Proportional to 1,078,768.80, 1,619,319.60 and 606,376.80

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Solution

The fourth proportional to 1,078,768.80, 1,619,319.60 and 606,376.80 is: 910,220.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,768.80 : 1,619,319.60 = 606,376.80 : x
  2. Step 2: Convert to fraction form
    1,078,768.80/1,619,319.60 = 606,376.80/x
  3. Step 3: Cross multiply
    1,078,768.80x = 1,619,319.60 × 606,376.80
  4. Step 4: Simplify right side
    1,078,768.80x = 981,917,837,225.28
  5. Step 5: Solve for x
    x = 981,917,837,225.28/1,078,768.80
  6. Step 6: Final answer
    x = 910,220.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.