Home / 1,330,341.70-1,993,216.20-618,910.60

Finding the Fourth Proportional to 1,330,341.70, 1,993,216.20 and 618,910.60

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Solution

The fourth proportional to 1,330,341.70, 1,993,216.20 and 618,910.60 is: 927,297.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,341.70 : 1,993,216.20 = 618,910.60 : x
  2. Step 2: Convert to fraction form
    1,330,341.70/1,993,216.20 = 618,910.60/x
  3. Step 3: Cross multiply
    1,330,341.70x = 1,993,216.20 × 618,910.60
  4. Step 4: Simplify right side
    1,330,341.70x = 1,233,622,634,271.72
  5. Step 5: Solve for x
    x = 1,233,622,634,271.72/1,330,341.70
  6. Step 6: Final answer
    x = 927,297.58

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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.