Home / 1,203,192.60-1,804,205.70-670,147.80

Finding the Fourth Proportional to 1,203,192.60, 1,804,205.70 and 670,147.80

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Solution

The fourth proportional to 1,203,192.60, 1,804,205.70 and 670,147.80 is: 1,004,896.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,192.60 : 1,804,205.70 = 670,147.80 : x
  2. Step 2: Convert to fraction form
    1,203,192.60/1,804,205.70 = 670,147.80/x
  3. Step 3: Cross multiply
    1,203,192.60x = 1,804,205.70 × 670,147.80
  4. Step 4: Simplify right side
    1,203,192.60x = 1,209,084,480,602.46
  5. Step 5: Solve for x
    x = 1,209,084,480,602.46/1,203,192.60
  6. Step 6: Final answer
    x = 1,004,896.87

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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.