Home / 1,504,209.36-2,075,797.92-815,879.16

Finding the Fourth Proportional to 1,504,209.36, 2,075,797.92 and 815,879.16

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Solution

The fourth proportional to 1,504,209.36, 2,075,797.92 and 815,879.16 is: 1,125,907.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504,209.36 : 2,075,797.92 = 815,879.16 : x
  2. Step 2: Convert to fraction form
    1,504,209.36/2,075,797.92 = 815,879.16/x
  3. Step 3: Cross multiply
    1,504,209.36x = 2,075,797.92 × 815,879.16
  4. Step 4: Simplify right side
    1,504,209.36x = 1,693,600,263,299.35
  5. Step 5: Solve for x
    x = 1,693,600,263,299.35/1,504,209.36
  6. Step 6: Final answer
    x = 1,125,907.28

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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.