Home / 1,203,209.40-1,804,814.10-404,614.20

Finding the Fourth Proportional to 1,203,209.40, 1,804,814.10 and 404,614.20

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Solution

The fourth proportional to 1,203,209.40, 1,804,814.10 and 404,614.20 is: 606,921.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,209.40 : 1,804,814.10 = 404,614.20 : x
  2. Step 2: Convert to fraction form
    1,203,209.40/1,804,814.10 = 404,614.20/x
  3. Step 3: Cross multiply
    1,203,209.40x = 1,804,814.10 × 404,614.20
  4. Step 4: Simplify right side
    1,203,209.40x = 730,253,413,220.22
  5. Step 5: Solve for x
    x = 730,253,413,220.22/1,203,209.40
  6. Step 6: Final answer
    x = 606,921.30

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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.