Home / 1,300,418.40-1,950,627.60-1,079,968.80

Finding the Fourth Proportional to 1,300,418.40, 1,950,627.60 and 1,079,968.80

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Solution

The fourth proportional to 1,300,418.40, 1,950,627.60 and 1,079,968.80 is: 1,619,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,418.40 : 1,950,627.60 = 1,079,968.80 : x
  2. Step 2: Convert to fraction form
    1,300,418.40/1,950,627.60 = 1,079,968.80/x
  3. Step 3: Cross multiply
    1,300,418.40x = 1,950,627.60 × 1,079,968.80
  4. Step 4: Simplify right side
    1,300,418.40x = 2,106,616,948,418.88
  5. Step 5: Solve for x
    x = 2,106,616,948,418.88/1,300,418.40
  6. Step 6: Final answer
    x = 1,619,953.20

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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.