Home / 1,106,518.40-1,658,465.40-993,669.20

Finding the Fourth Proportional to 1,106,518.40, 1,658,465.40 and 993,669.20

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Solution

The fourth proportional to 1,106,518.40, 1,658,465.40 and 993,669.20 is: 1,489,325.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,518.40 : 1,658,465.40 = 993,669.20 : x
  2. Step 2: Convert to fraction form
    1,106,518.40/1,658,465.40 = 993,669.20/x
  3. Step 3: Cross multiply
    1,106,518.40x = 1,658,465.40 × 993,669.20
  4. Step 4: Simplify right side
    1,106,518.40x = 1,647,965,987,245.68
  5. Step 5: Solve for x
    x = 1,647,965,987,245.68/1,106,518.40
  6. Step 6: Final answer
    x = 1,489,325.43

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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.