Home / 1,075,400.64-1,612,945.24-317,204.65

Finding the Fourth Proportional to 1,075,400.64, 1,612,945.24 and 317,204.65

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Solution

The fourth proportional to 1,075,400.64, 1,612,945.24 and 317,204.65 is: 475,761.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,400.64 : 1,612,945.24 = 317,204.65 : x
  2. Step 2: Convert to fraction form
    1,075,400.64/1,612,945.24 = 317,204.65/x
  3. Step 3: Cross multiply
    1,075,400.64x = 1,612,945.24 × 317,204.65
  4. Step 4: Simplify right side
    1,075,400.64x = 511,633,730,323.37
  5. Step 5: Solve for x
    x = 511,633,730,323.37/1,075,400.64
  6. Step 6: Final answer
    x = 475,761.04

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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.