Home / 1,365,303.09-2,047,794.72-858,367.43

Finding the Fourth Proportional to 1,365,303.09, 2,047,794.72 and 858,367.43

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Solution

The fourth proportional to 1,365,303.09, 2,047,794.72 and 858,367.43 is: 1,287,450.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,303.09 : 2,047,794.72 = 858,367.43 : x
  2. Step 2: Convert to fraction form
    1,365,303.09/2,047,794.72 = 858,367.43/x
  3. Step 3: Cross multiply
    1,365,303.09x = 2,047,794.72 × 858,367.43
  4. Step 4: Simplify right side
    1,365,303.09x = 1,757,760,285,195.35
  5. Step 5: Solve for x
    x = 1,757,760,285,195.35/1,365,303.09
  6. Step 6: Final answer
    x = 1,287,450.60

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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.