Home / 1,622,164.80-2,434,629.60-724,987.20

Finding the Fourth Proportional to 1,622,164.80, 2,434,629.60 and 724,987.20

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Solution

The fourth proportional to 1,622,164.80, 2,434,629.60 and 724,987.20 is: 1,088,098.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,164.80 : 2,434,629.60 = 724,987.20 : x
  2. Step 2: Convert to fraction form
    1,622,164.80/2,434,629.60 = 724,987.20/x
  3. Step 3: Cross multiply
    1,622,164.80x = 2,434,629.60 × 724,987.20
  4. Step 4: Simplify right side
    1,622,164.80x = 1,765,075,296,741.12
  5. Step 5: Solve for x
    x = 1,765,075,296,741.12/1,622,164.80
  6. Step 6: Final answer
    x = 1,088,098.63

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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.