Home / 1,646,119.39-2,271,732.98-920,923.85

Finding the Fourth Proportional to 1,646,119.39, 2,271,732.98 and 920,923.85

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Solution

The fourth proportional to 1,646,119.39, 2,271,732.98 and 920,923.85 is: 1,270,924.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,119.39 : 2,271,732.98 = 920,923.85 : x
  2. Step 2: Convert to fraction form
    1,646,119.39/2,271,732.98 = 920,923.85/x
  3. Step 3: Cross multiply
    1,646,119.39x = 2,271,732.98 × 920,923.85
  4. Step 4: Simplify right side
    1,646,119.39x = 2,092,093,082,113.57
  5. Step 5: Solve for x
    x = 2,092,093,082,113.57/1,646,119.39
  6. Step 6: Final answer
    x = 1,270,924.27

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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.