Home / 1,168,079.12-1,611,972.64-658,682

Finding the Fourth Proportional to 1,168,079.12, 1,611,972.64 and 658,682

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Solution

The fourth proportional to 1,168,079.12, 1,611,972.64 and 658,682 is: 908,994.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,079.12 : 1,611,972.64 = 658,682 : x
  2. Step 2: Convert to fraction form
    1,168,079.12/1,611,972.64 = 658,682/x
  3. Step 3: Cross multiply
    1,168,079.12x = 1,611,972.64 × 658,682
  4. Step 4: Simplify right side
    1,168,079.12x = 1,061,777,362,460.48
  5. Step 5: Solve for x
    x = 1,061,777,362,460.48/1,168,079.12
  6. Step 6: Final answer
    x = 908,994.39

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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.