Home / 1,645,654.94-2,271,213.90-920,542.94

Finding the Fourth Proportional to 1,645,654.94, 2,271,213.90 and 920,542.94

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Solution

The fourth proportional to 1,645,654.94, 2,271,213.90 and 920,542.94 is: 1,270,466.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,654.94 : 2,271,213.90 = 920,542.94 : x
  2. Step 2: Convert to fraction form
    1,645,654.94/2,271,213.90 = 920,542.94/x
  3. Step 3: Cross multiply
    1,645,654.94x = 2,271,213.90 × 920,542.94
  4. Step 4: Simplify right side
    1,645,654.94x = 2,090,749,920,874.87
  5. Step 5: Solve for x
    x = 2,090,749,920,874.87/1,645,654.94
  6. Step 6: Final answer
    x = 1,270,466.77

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1.5x scale

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.