Home / 1,106,728.40-1,658,780.40-993,879.20

Finding the Fourth Proportional to 1,106,728.40, 1,658,780.40 and 993,879.20

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Solution

The fourth proportional to 1,106,728.40, 1,658,780.40 and 993,879.20 is: 1,489,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,728.40 : 1,658,780.40 = 993,879.20 : x
  2. Step 2: Convert to fraction form
    1,106,728.40/1,658,780.40 = 993,879.20/x
  3. Step 3: Cross multiply
    1,106,728.40x = 1,658,780.40 × 993,879.20
  4. Step 4: Simplify right side
    1,106,728.40x = 1,648,627,336,927.68
  5. Step 5: Solve for x
    x = 1,648,627,336,927.68/1,106,728.40
  6. Step 6: Final answer
    x = 1,489,640.40

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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.