Home / 1,066,324.11-1,599,485.76-426,915.51

Finding the Fourth Proportional to 1,066,324.11, 1,599,485.76 and 426,915.51

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Solution

The fourth proportional to 1,066,324.11, 1,599,485.76 and 426,915.51 is: 640,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,324.11 : 1,599,485.76 = 426,915.51 : x
  2. Step 2: Convert to fraction form
    1,066,324.11/1,599,485.76 = 426,915.51/x
  3. Step 3: Cross multiply
    1,066,324.11x = 1,599,485.76 × 426,915.51
  4. Step 4: Simplify right side
    1,066,324.11x = 682,845,278,968.14
  5. Step 5: Solve for x
    x = 682,845,278,968.14/1,066,324.11
  6. Step 6: Final answer
    x = 640,373.10

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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.