Home / 1,446,279.40-2,170,455.90-814,522.60

Finding the Fourth Proportional to 1,446,279.40, 2,170,455.90 and 814,522.60

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Solution

The fourth proportional to 1,446,279.40, 2,170,455.90 and 814,522.60 is: 1,222,367.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446,279.40 : 2,170,455.90 = 814,522.60 : x
  2. Step 2: Convert to fraction form
    1,446,279.40/2,170,455.90 = 814,522.60/x
  3. Step 3: Cross multiply
    1,446,279.40x = 2,170,455.90 × 814,522.60
  4. Step 4: Simplify right side
    1,446,279.40x = 1,767,885,382,853.34
  5. Step 5: Solve for x
    x = 1,767,885,382,853.34/1,446,279.40
  6. Step 6: Final answer
    x = 1,222,367.81

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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.