Home / 1,203,500.20-1,804,812.90-404,807.80

Finding the Fourth Proportional to 1,203,500.20, 1,804,812.90 and 404,807.80

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Solution

The fourth proportional to 1,203,500.20, 1,804,812.90 and 404,807.80 is: 607,064.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,500.20 : 1,804,812.90 = 404,807.80 : x
  2. Step 2: Convert to fraction form
    1,203,500.20/1,804,812.90 = 404,807.80/x
  3. Step 3: Cross multiply
    1,203,500.20x = 1,804,812.90 × 404,807.80
  4. Step 4: Simplify right side
    1,203,500.20x = 730,602,339,460.62
  5. Step 5: Solve for x
    x = 730,602,339,460.62/1,203,500.20
  6. Step 6: Final answer
    x = 607,064.58

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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.