Home / 1,120,276.50-1,680,415.76-480,164.84

Finding the Fourth Proportional to 1,120,276.50, 1,680,415.76 and 480,164.84

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Solution

The fourth proportional to 1,120,276.50, 1,680,415.76 and 480,164.84 is: 720,247.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,276.50 : 1,680,415.76 = 480,164.84 : x
  2. Step 2: Convert to fraction form
    1,120,276.50/1,680,415.76 = 480,164.84/x
  3. Step 3: Cross multiply
    1,120,276.50x = 1,680,415.76 × 480,164.84
  4. Step 4: Simplify right side
    1,120,276.50x = 806,876,564,533.88
  5. Step 5: Solve for x
    x = 806,876,564,533.88/1,120,276.50
  6. Step 6: Final answer
    x = 720,247.69

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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.