Home / 1,645,860.62-2,271,196.30-920,568.21

Finding the Fourth Proportional to 1,645,860.62, 2,271,196.30 and 920,568.21

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Solution

The fourth proportional to 1,645,860.62, 2,271,196.30 and 920,568.21 is: 1,270,333.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,860.62 : 2,271,196.30 = 920,568.21 : x
  2. Step 2: Convert to fraction form
    1,645,860.62/2,271,196.30 = 920,568.21/x
  3. Step 3: Cross multiply
    1,645,860.62x = 2,271,196.30 × 920,568.21
  4. Step 4: Simplify right side
    1,645,860.62x = 2,090,791,112,449.62
  5. Step 5: Solve for x
    x = 2,090,791,112,449.62/1,645,860.62
  6. Step 6: Final answer
    x = 1,270,333.03

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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.