Home / 1,200,851.20-1,801,266.63-490,380.94

Finding the Fourth Proportional to 1,200,851.20, 1,801,266.63 and 490,380.94

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Solution

The fourth proportional to 1,200,851.20, 1,801,266.63 and 490,380.94 is: 735,567.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,851.20 : 1,801,266.63 = 490,380.94 : x
  2. Step 2: Convert to fraction form
    1,200,851.20/1,801,266.63 = 490,380.94/x
  3. Step 3: Cross multiply
    1,200,851.20x = 1,801,266.63 × 490,380.94
  4. Step 4: Simplify right side
    1,200,851.20x = 883,306,823,210.03
  5. Step 5: Solve for x
    x = 883,306,823,210.03/1,200,851.20
  6. Step 6: Final answer
    x = 735,567.26

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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.