Home / 1,103,585.72-1,522,975.44-620,121.92

Finding the Fourth Proportional to 1,103,585.72, 1,522,975.44 and 620,121.92

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Solution

The fourth proportional to 1,103,585.72, 1,522,975.44 and 620,121.92 is: 855,783.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,585.72 : 1,522,975.44 = 620,121.92 : x
  2. Step 2: Convert to fraction form
    1,103,585.72/1,522,975.44 = 620,121.92/x
  3. Step 3: Cross multiply
    1,103,585.72x = 1,522,975.44 × 620,121.92
  4. Step 4: Simplify right side
    1,103,585.72x = 944,430,453,965.65
  5. Step 5: Solve for x
    x = 944,430,453,965.65/1,103,585.72
  6. Step 6: Final answer
    x = 855,783.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.