Home / 1,095,786.40-1,643,679.60-307,818.40

Finding the Fourth Proportional to 1,095,786.40, 1,643,679.60 and 307,818.40

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Solution

The fourth proportional to 1,095,786.40, 1,643,679.60 and 307,818.40 is: 461,727.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,786.40 : 1,643,679.60 = 307,818.40 : x
  2. Step 2: Convert to fraction form
    1,095,786.40/1,643,679.60 = 307,818.40/x
  3. Step 3: Cross multiply
    1,095,786.40x = 1,643,679.60 × 307,818.40
  4. Step 4: Simplify right side
    1,095,786.40x = 505,954,824,584.64
  5. Step 5: Solve for x
    x = 505,954,824,584.64/1,095,786.40
  6. Step 6: Final answer
    x = 461,727.60

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Double scale
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Similar ratio
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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.