Home / 1,200,518.46-1,800,780.75-490,546.53

Finding the Fourth Proportional to 1,200,518.46, 1,800,780.75 and 490,546.53

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Solution

The fourth proportional to 1,200,518.46, 1,800,780.75 and 490,546.53 is: 735,821.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,518.46 : 1,800,780.75 = 490,546.53 : x
  2. Step 2: Convert to fraction form
    1,200,518.46/1,800,780.75 = 490,546.53/x
  3. Step 3: Cross multiply
    1,200,518.46x = 1,800,780.75 × 490,546.53
  4. Step 4: Simplify right side
    1,200,518.46x = 883,366,748,203.30
  5. Step 5: Solve for x
    x = 883,366,748,203.30/1,200,518.46
  6. Step 6: Final answer
    x = 735,821.05

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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.