Home / 1,207,449.20-1,809,100.20-637,986.80

Finding the Fourth Proportional to 1,207,449.20, 1,809,100.20 and 637,986.80

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Solution

The fourth proportional to 1,207,449.20, 1,809,100.20 and 637,986.80 is: 955,884.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,449.20 : 1,809,100.20 = 637,986.80 : x
  2. Step 2: Convert to fraction form
    1,207,449.20/1,809,100.20 = 637,986.80/x
  3. Step 3: Cross multiply
    1,207,449.20x = 1,809,100.20 × 637,986.80
  4. Step 4: Simplify right side
    1,207,449.20x = 1,154,182,047,477.36
  5. Step 5: Solve for x
    x = 1,154,182,047,477.36/1,207,449.20
  6. Step 6: Final answer
    x = 955,884.56

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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.