Home / 1,116,211.20-1,674,705.60-485,577.60

Finding the Fourth Proportional to 1,116,211.20, 1,674,705.60 and 485,577.60

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Solution

The fourth proportional to 1,116,211.20, 1,674,705.60 and 485,577.60 is: 728,535.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,211.20 : 1,674,705.60 = 485,577.60 : x
  2. Step 2: Convert to fraction form
    1,116,211.20/1,674,705.60 = 485,577.60/x
  3. Step 3: Cross multiply
    1,116,211.20x = 1,674,705.60 × 485,577.60
  4. Step 4: Simplify right side
    1,116,211.20x = 813,199,525,954.56
  5. Step 5: Solve for x
    x = 813,199,525,954.56/1,116,211.20
  6. Step 6: Final answer
    x = 728,535.54

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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.