Home / 1,307,495.53-1,800,172.78-1,115,739.37

Finding the Fourth Proportional to 1,307,495.53, 1,800,172.78 and 1,115,739.37

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Solution

The fourth proportional to 1,307,495.53, 1,800,172.78 and 1,115,739.37 is: 1,536,161.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,495.53 : 1,800,172.78 = 1,115,739.37 : x
  2. Step 2: Convert to fraction form
    1,307,495.53/1,800,172.78 = 1,115,739.37/x
  3. Step 3: Cross multiply
    1,307,495.53x = 1,800,172.78 × 1,115,739.37
  4. Step 4: Simplify right side
    1,307,495.53x = 2,008,523,643,448.35
  5. Step 5: Solve for x
    x = 2,008,523,643,448.35/1,307,495.53
  6. Step 6: Final answer
    x = 1,536,161.00

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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.