Home / 1,680,247.42-2,520,371.66-418,075.05

Finding the Fourth Proportional to 1,680,247.42, 2,520,371.66 and 418,075.05

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Solution

The fourth proportional to 1,680,247.42, 2,520,371.66 and 418,075.05 is: 627,112.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,247.42 : 2,520,371.66 = 418,075.05 : x
  2. Step 2: Convert to fraction form
    1,680,247.42/2,520,371.66 = 418,075.05/x
  3. Step 3: Cross multiply
    1,680,247.42x = 2,520,371.66 × 418,075.05
  4. Step 4: Simplify right side
    1,680,247.42x = 1,053,704,507,773.08
  5. Step 5: Solve for x
    x = 1,053,704,507,773.08/1,680,247.42
  6. Step 6: Final answer
    x = 627,112.71

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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.