Home / 1,326,900.48-1,831,122.72-723,288.48

Finding the Fourth Proportional to 1,326,900.48, 1,831,122.72 and 723,288.48

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Solution

The fourth proportional to 1,326,900.48, 1,831,122.72 and 723,288.48 is: 998,138.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,900.48 : 1,831,122.72 = 723,288.48 : x
  2. Step 2: Convert to fraction form
    1,326,900.48/1,831,122.72 = 723,288.48/x
  3. Step 3: Cross multiply
    1,326,900.48x = 1,831,122.72 × 723,288.48
  4. Step 4: Simplify right side
    1,326,900.48x = 1,324,429,968,842.27
  5. Step 5: Solve for x
    x = 1,324,429,968,842.27/1,326,900.48
  6. Step 6: Final answer
    x = 998,138.13

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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.