Home / 1,361,209.61-2,036,684.23-812,071.23

Finding the Fourth Proportional to 1,361,209.61, 2,036,684.23 and 812,071.23

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Solution

The fourth proportional to 1,361,209.61, 2,036,684.23 and 812,071.23 is: 1,215,046.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,209.61 : 2,036,684.23 = 812,071.23 : x
  2. Step 2: Convert to fraction form
    1,361,209.61/2,036,684.23 = 812,071.23/x
  3. Step 3: Cross multiply
    1,361,209.61x = 2,036,684.23 × 812,071.23
  4. Step 4: Simplify right side
    1,361,209.61x = 1,653,932,658,109.96
  5. Step 5: Solve for x
    x = 1,653,932,658,109.96/1,361,209.61
  6. Step 6: Final answer
    x = 1,215,046.27

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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.