Home / 1,313,198.60-1,968,432.20-554,406.80

Finding the Fourth Proportional to 1,313,198.60, 1,968,432.20 and 554,406.80

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Solution

The fourth proportional to 1,313,198.60, 1,968,432.20 and 554,406.80 is: 831,033.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,198.60 : 1,968,432.20 = 554,406.80 : x
  2. Step 2: Convert to fraction form
    1,313,198.60/1,968,432.20 = 554,406.80/x
  3. Step 3: Cross multiply
    1,313,198.60x = 1,968,432.20 × 554,406.80
  4. Step 4: Simplify right side
    1,313,198.60x = 1,091,312,197,018.96
  5. Step 5: Solve for x
    x = 1,091,312,197,018.96/1,313,198.60
  6. Step 6: Final answer
    x = 831,033.63

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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.