Home / 1,203,219.40-1,804,829.10-493,756.60

Finding the Fourth Proportional to 1,203,219.40, 1,804,829.10 and 493,756.60

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Solution

The fourth proportional to 1,203,219.40, 1,804,829.10 and 493,756.60 is: 740,634.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,219.40 : 1,804,829.10 = 493,756.60 : x
  2. Step 2: Convert to fraction form
    1,203,219.40/1,804,829.10 = 493,756.60/x
  3. Step 3: Cross multiply
    1,203,219.40x = 1,804,829.10 × 493,756.60
  4. Step 4: Simplify right side
    1,203,219.40x = 891,146,279,997.06
  5. Step 5: Solve for x
    x = 891,146,279,997.06/1,203,219.40
  6. Step 6: Final answer
    x = 740,634.90

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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.