Home / 1,203,206.40-1,804,809.60-404,611.20

Finding the Fourth Proportional to 1,203,206.40, 1,804,809.60 and 404,611.20

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Solution

The fourth proportional to 1,203,206.40, 1,804,809.60 and 404,611.20 is: 606,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,206.40 : 1,804,809.60 = 404,611.20 : x
  2. Step 2: Convert to fraction form
    1,203,206.40/1,804,809.60 = 404,611.20/x
  3. Step 3: Cross multiply
    1,203,206.40x = 1,804,809.60 × 404,611.20
  4. Step 4: Simplify right side
    1,203,206.40x = 730,246,178,027.52
  5. Step 5: Solve for x
    x = 730,246,178,027.52/1,203,206.40
  6. Step 6: Final answer
    x = 606,916.80

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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.