Home / 1,231,157.74-1,849,539.14-890,651.45

Finding the Fourth Proportional to 1,231,157.74, 1,849,539.14 and 890,651.45

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Solution

The fourth proportional to 1,231,157.74, 1,849,539.14 and 890,651.45 is: 1,338,004.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,157.74 : 1,849,539.14 = 890,651.45 : x
  2. Step 2: Convert to fraction form
    1,231,157.74/1,849,539.14 = 890,651.45/x
  3. Step 3: Cross multiply
    1,231,157.74x = 1,849,539.14 × 890,651.45
  4. Step 4: Simplify right side
    1,231,157.74x = 1,647,294,716,872.75
  5. Step 5: Solve for x
    x = 1,647,294,716,872.75/1,231,157.74
  6. Step 6: Final answer
    x = 1,338,004.60

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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.