Home / 1,036,336.82-1,555,378.66-437,727.58

Finding the Fourth Proportional to 1,036,336.82, 1,555,378.66 and 437,727.58

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Solution

The fourth proportional to 1,036,336.82, 1,555,378.66 and 437,727.58 is: 656,960.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,336.82 : 1,555,378.66 = 437,727.58 : x
  2. Step 2: Convert to fraction form
    1,036,336.82/1,555,378.66 = 437,727.58/x
  3. Step 3: Cross multiply
    1,036,336.82x = 1,555,378.66 × 437,727.58
  4. Step 4: Simplify right side
    1,036,336.82x = 680,832,136,825.44
  5. Step 5: Solve for x
    x = 680,832,136,825.44/1,036,336.82
  6. Step 6: Final answer
    x = 656,960.29

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Double scale
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1.5x scale

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.