Home / 1,025,075.40-1,537,759.84-315,163.04

Finding the Fourth Proportional to 1,025,075.40, 1,537,759.84 and 315,163.04

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Solution

The fourth proportional to 1,025,075.40, 1,537,759.84 and 315,163.04 is: 472,789.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,075.40 : 1,537,759.84 = 315,163.04 : x
  2. Step 2: Convert to fraction form
    1,025,075.40/1,537,759.84 = 315,163.04/x
  3. Step 3: Cross multiply
    1,025,075.40x = 1,537,759.84 × 315,163.04
  4. Step 4: Simplify right side
    1,025,075.40x = 484,645,065,964.31
  5. Step 5: Solve for x
    x = 484,645,065,964.31/1,025,075.40
  6. Step 6: Final answer
    x = 472,789.68

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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.