Home / 1,780,067.06-2,670,100.57-432,220.58

Finding the Fourth Proportional to 1,780,067.06, 2,670,100.57 and 432,220.58

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Solution

The fourth proportional to 1,780,067.06, 2,670,100.57 and 432,220.58 is: 648,330.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,067.06 : 2,670,100.57 = 432,220.58 : x
  2. Step 2: Convert to fraction form
    1,780,067.06/2,670,100.57 = 432,220.58/x
  3. Step 3: Cross multiply
    1,780,067.06x = 2,670,100.57 × 432,220.58
  4. Step 4: Simplify right side
    1,780,067.06x = 1,154,072,417,023.73
  5. Step 5: Solve for x
    x = 1,154,072,417,023.73/1,780,067.06
  6. Step 6: Final answer
    x = 648,330.87

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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.