Home / 1,645,655.44-2,271,214.59-920,543.44

Finding the Fourth Proportional to 1,645,655.44, 2,271,214.59 and 920,543.44

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Solution

The fourth proportional to 1,645,655.44, 2,271,214.59 and 920,543.44 is: 1,270,467.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,655.44 : 2,271,214.59 = 920,543.44 : x
  2. Step 2: Convert to fraction form
    1,645,655.44/2,271,214.59 = 920,543.44/x
  3. Step 3: Cross multiply
    1,645,655.44x = 2,271,214.59 × 920,543.44
  4. Step 4: Simplify right side
    1,645,655.44x = 2,090,751,691,656.79
  5. Step 5: Solve for x
    x = 2,090,751,691,656.79/1,645,655.44
  6. Step 6: Final answer
    x = 1,270,467.46

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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.