Home / 1,645,562.88-2,271,087-920,450.88

Finding the Fourth Proportional to 1,645,562.88, 2,271,087 and 920,450.88

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Solution

The fourth proportional to 1,645,562.88, 2,271,087 and 920,450.88 is: 1,270,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,562.88 : 2,271,087 = 920,450.88 : x
  2. Step 2: Convert to fraction form
    1,645,562.88/2,271,087 = 920,450.88/x
  3. Step 3: Cross multiply
    1,645,562.88x = 2,271,087 × 920,450.88
  4. Step 4: Simplify right side
    1,645,562.88x = 2,090,424,027,706.56
  5. Step 5: Solve for x
    x = 2,090,424,027,706.56/1,645,562.88
  6. Step 6: Final answer
    x = 1,270,339.80

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Double scale
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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.