Home / 1,635,940.60-2,453,910.90-438,047.80

Finding the Fourth Proportional to 1,635,940.60, 2,453,910.90 and 438,047.80

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Solution

The fourth proportional to 1,635,940.60, 2,453,910.90 and 438,047.80 is: 657,071.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,940.60 : 2,453,910.90 = 438,047.80 : x
  2. Step 2: Convert to fraction form
    1,635,940.60/2,453,910.90 = 438,047.80/x
  3. Step 3: Cross multiply
    1,635,940.60x = 2,453,910.90 × 438,047.80
  4. Step 4: Simplify right side
    1,635,940.60x = 1,074,930,271,141.02
  5. Step 5: Solve for x
    x = 1,074,930,271,141.02/1,635,940.60
  6. Step 6: Final answer
    x = 657,071.70

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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.