Home / 1,075,505.87-1,613,247.86-276,784.31

Finding the Fourth Proportional to 1,075,505.87, 1,613,247.86 and 276,784.31

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Solution

The fourth proportional to 1,075,505.87, 1,613,247.86 and 276,784.31 is: 415,173.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,505.87 : 1,613,247.86 = 276,784.31 : x
  2. Step 2: Convert to fraction form
    1,075,505.87/1,613,247.86 = 276,784.31/x
  3. Step 3: Cross multiply
    1,075,505.87x = 1,613,247.86 × 276,784.31
  4. Step 4: Simplify right side
    1,075,505.87x = 446,521,694,405.16
  5. Step 5: Solve for x
    x = 446,521,694,405.16/1,075,505.87
  6. Step 6: Final answer
    x = 415,173.65

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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.