Home / 1,638,315.23-2,457,078.53-501,087.38

Finding the Fourth Proportional to 1,638,315.23, 2,457,078.53 and 501,087.38

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Solution

The fourth proportional to 1,638,315.23, 2,457,078.53 and 501,087.38 is: 751,510.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,315.23 : 2,457,078.53 = 501,087.38 : x
  2. Step 2: Convert to fraction form
    1,638,315.23/2,457,078.53 = 501,087.38/x
  3. Step 3: Cross multiply
    1,638,315.23x = 2,457,078.53 × 501,087.38
  4. Step 4: Simplify right side
    1,638,315.23x = 1,231,211,028,261.12
  5. Step 5: Solve for x
    x = 1,231,211,028,261.12/1,638,315.23
  6. Step 6: Final answer
    x = 751,510.46

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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.