Home / 1,491,017.53-2,057,330.86-879,361.69

Finding the Fourth Proportional to 1,491,017.53, 2,057,330.86 and 879,361.69

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Solution

The fourth proportional to 1,491,017.53, 2,057,330.86 and 879,361.69 is: 1,213,357.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,017.53 : 2,057,330.86 = 879,361.69 : x
  2. Step 2: Convert to fraction form
    1,491,017.53/2,057,330.86 = 879,361.69/x
  3. Step 3: Cross multiply
    1,491,017.53x = 2,057,330.86 × 879,361.69
  4. Step 4: Simplify right side
    1,491,017.53x = 1,809,137,941,938.75
  5. Step 5: Solve for x
    x = 1,809,137,941,938.75/1,491,017.53
  6. Step 6: Final answer
    x = 1,213,357.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.