Home / 1,700,949.87-2,551,361.00-421,561.58

Finding the Fourth Proportional to 1,700,949.87, 2,551,361.00 and 421,561.58

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Solution

The fourth proportional to 1,700,949.87, 2,551,361.00 and 421,561.58 is: 632,326.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700,949.87 : 2,551,361.00 = 421,561.58 : x
  2. Step 2: Convert to fraction form
    1,700,949.87/2,551,361.00 = 421,561.58/x
  3. Step 3: Cross multiply
    1,700,949.87x = 2,551,361.00 × 421,561.58
  4. Step 4: Simplify right side
    1,700,949.87x = 1,075,555,759,445.77
  5. Step 5: Solve for x
    x = 1,075,555,759,445.77/1,700,949.87
  6. Step 6: Final answer
    x = 632,326.55

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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.