Home / 1,326,389.44-1,830,419.76-722,777.44

Finding the Fourth Proportional to 1,326,389.44, 1,830,419.76 and 722,777.44

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Solution

The fourth proportional to 1,326,389.44, 1,830,419.76 and 722,777.44 is: 997,434.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,389.44 : 1,830,419.76 = 722,777.44 : x
  2. Step 2: Convert to fraction form
    1,326,389.44/1,830,419.76 = 722,777.44/x
  3. Step 3: Cross multiply
    1,326,389.44x = 1,830,419.76 × 722,777.44
  4. Step 4: Simplify right side
    1,326,389.44x = 1,322,986,108,258.21
  5. Step 5: Solve for x
    x = 1,322,986,108,258.21/1,326,389.44
  6. Step 6: Final answer
    x = 997,434.14

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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.