Home / 1,214,467.80-1,821,701.70-504,130.20

Finding the Fourth Proportional to 1,214,467.80, 1,821,701.70 and 504,130.20

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Solution

The fourth proportional to 1,214,467.80, 1,821,701.70 and 504,130.20 is: 756,195.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,467.80 : 1,821,701.70 = 504,130.20 : x
  2. Step 2: Convert to fraction form
    1,214,467.80/1,821,701.70 = 504,130.20/x
  3. Step 3: Cross multiply
    1,214,467.80x = 1,821,701.70 × 504,130.20
  4. Step 4: Simplify right side
    1,214,467.80x = 918,374,842,361.34
  5. Step 5: Solve for x
    x = 918,374,842,361.34/1,214,467.80
  6. Step 6: Final answer
    x = 756,195.30

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Double scale
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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.