Home / 1,094,119.36-1,641,391.76-420,151.13

Finding the Fourth Proportional to 1,094,119.36, 1,641,391.76 and 420,151.13

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Solution

The fourth proportional to 1,094,119.36, 1,641,391.76 and 420,151.13 is: 630,308.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,119.36 : 1,641,391.76 = 420,151.13 : x
  2. Step 2: Convert to fraction form
    1,094,119.36/1,641,391.76 = 420,151.13/x
  3. Step 3: Cross multiply
    1,094,119.36x = 1,641,391.76 × 420,151.13
  4. Step 4: Simplify right side
    1,094,119.36x = 689,632,602,736.69
  5. Step 5: Solve for x
    x = 689,632,602,736.69/1,094,119.36
  6. Step 6: Final answer
    x = 630,308.38

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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.