Home / 1,231,176.39-1,849,567.04-890,670.09

Finding the Fourth Proportional to 1,231,176.39, 1,849,567.04 and 890,670.09

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Solution

The fourth proportional to 1,231,176.39, 1,849,567.04 and 890,670.09 is: 1,338,032.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,176.39 : 1,849,567.04 = 890,670.09 : x
  2. Step 2: Convert to fraction form
    1,231,176.39/1,849,567.04 = 890,670.09/x
  3. Step 3: Cross multiply
    1,231,176.39x = 1,849,567.04 × 890,670.09
  4. Step 4: Simplify right side
    1,231,176.39x = 1,647,354,041,977.83
  5. Step 5: Solve for x
    x = 1,647,354,041,977.83/1,231,176.39
  6. Step 6: Final answer
    x = 1,338,032.52

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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.