Home / 1,094,118.36-1,641,390.26-420,150.13

Finding the Fourth Proportional to 1,094,118.36, 1,641,390.26 and 420,150.13

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Solution

The fourth proportional to 1,094,118.36, 1,641,390.26 and 420,150.13 is: 630,306.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,118.36 : 1,641,390.26 = 420,150.13 : x
  2. Step 2: Convert to fraction form
    1,094,118.36/1,641,390.26 = 420,150.13/x
  3. Step 3: Cross multiply
    1,094,118.36x = 1,641,390.26 × 420,150.13
  4. Step 4: Simplify right side
    1,094,118.36x = 689,630,331,119.73
  5. Step 5: Solve for x
    x = 689,630,331,119.73/1,094,118.36
  6. Step 6: Final answer
    x = 630,306.88

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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.