Home / 1,645,946.75-2,271,314.97-920,654.52

Finding the Fourth Proportional to 1,645,946.75, 2,271,314.97 and 920,654.52

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Solution

The fourth proportional to 1,645,946.75, 2,271,314.97 and 920,654.52 is: 1,270,452.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,946.75 : 2,271,314.97 = 920,654.52 : x
  2. Step 2: Convert to fraction form
    1,645,946.75/2,271,314.97 = 920,654.52/x
  3. Step 3: Cross multiply
    1,645,946.75x = 2,271,314.97 × 920,654.52
  4. Step 4: Simplify right side
    1,645,946.75x = 2,091,096,393,474.16
  5. Step 5: Solve for x
    x = 2,091,096,393,474.16/1,645,946.75
  6. Step 6: Final answer
    x = 1,270,452.04

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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.