Home / 1,635,419-2,256,899.60-900,458.75

Finding the Fourth Proportional to 1,635,419, 2,256,899.60 and 900,458.75

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Solution

The fourth proportional to 1,635,419, 2,256,899.60 and 900,458.75 is: 1,242,644.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,419 : 2,256,899.60 = 900,458.75 : x
  2. Step 2: Convert to fraction form
    1,635,419/2,256,899.60 = 900,458.75/x
  3. Step 3: Cross multiply
    1,635,419x = 2,256,899.60 × 900,458.75
  4. Step 4: Simplify right side
    1,635,419x = 2,032,244,992,691.50
  5. Step 5: Solve for x
    x = 2,032,244,992,691.50/1,635,419
  6. Step 6: Final answer
    x = 1,242,644.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.