Home / 1,168,081.12-1,611,975.40-658,684

Finding the Fourth Proportional to 1,168,081.12, 1,611,975.40 and 658,684

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Solution

The fourth proportional to 1,168,081.12, 1,611,975.40 and 658,684 is: 908,997.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,081.12 : 1,611,975.40 = 658,684 : x
  2. Step 2: Convert to fraction form
    1,168,081.12/1,611,975.40 = 658,684/x
  3. Step 3: Cross multiply
    1,168,081.12x = 1,611,975.40 × 658,684
  4. Step 4: Simplify right side
    1,168,081.12x = 1,061,782,404,373.60
  5. Step 5: Solve for x
    x = 1,061,782,404,373.60/1,168,081.12
  6. Step 6: Final answer
    x = 908,997.15

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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.