Home / 1,780,069.06-2,670,103.57-432,222.58

Finding the Fourth Proportional to 1,780,069.06, 2,670,103.57 and 432,222.58

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Solution

The fourth proportional to 1,780,069.06, 2,670,103.57 and 432,222.58 is: 648,333.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,069.06 : 2,670,103.57 = 432,222.58 : x
  2. Step 2: Convert to fraction form
    1,780,069.06/2,670,103.57 = 432,222.58/x
  3. Step 3: Cross multiply
    1,780,069.06x = 2,670,103.57 × 432,222.58
  4. Step 4: Simplify right side
    1,780,069.06x = 1,154,079,053,892.61
  5. Step 5: Solve for x
    x = 1,154,079,053,892.61/1,780,069.06
  6. Step 6: Final answer
    x = 648,333.87

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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.