Home / 1,425,396-2,137,871.04-465,843.96

Finding the Fourth Proportional to 1,425,396, 2,137,871.04 and 465,843.96

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Solution

The fourth proportional to 1,425,396, 2,137,871.04 and 465,843.96 is: 698,693.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,396 : 2,137,871.04 = 465,843.96 : x
  2. Step 2: Convert to fraction form
    1,425,396/2,137,871.04 = 465,843.96/x
  3. Step 3: Cross multiply
    1,425,396x = 2,137,871.04 × 465,843.96
  4. Step 4: Simplify right side
    1,425,396x = 995,914,311,242.92
  5. Step 5: Solve for x
    x = 995,914,311,242.92/1,425,396
  6. Step 6: Final answer
    x = 698,693.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.