Home / 1,075,287.33-1,612,928.73-317,660.76

Finding the Fourth Proportional to 1,075,287.33, 1,612,928.73 and 317,660.76

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Solution

The fourth proportional to 1,075,287.33, 1,612,928.73 and 317,660.76 is: 476,490.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,287.33 : 1,612,928.73 = 317,660.76 : x
  2. Step 2: Convert to fraction form
    1,075,287.33/1,612,928.73 = 317,660.76/x
  3. Step 3: Cross multiply
    1,075,287.33x = 1,612,928.73 × 317,660.76
  4. Step 4: Simplify right side
    1,075,287.33x = 512,364,166,197.64
  5. Step 5: Solve for x
    x = 512,364,166,197.64/1,075,287.33
  6. Step 6: Final answer
    x = 476,490.47

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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.