Home / 1,115,334.93-1,539,156.83-631,899.03

Finding the Fourth Proportional to 1,115,334.93, 1,539,156.83 and 631,899.03

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Solution

The fourth proportional to 1,115,334.93, 1,539,156.83 and 631,899.03 is: 872,017.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,334.93 : 1,539,156.83 = 631,899.03 : x
  2. Step 2: Convert to fraction form
    1,115,334.93/1,539,156.83 = 631,899.03/x
  3. Step 3: Cross multiply
    1,115,334.93x = 1,539,156.83 × 631,899.03
  4. Step 4: Simplify right side
    1,115,334.93x = 972,591,704,735.38
  5. Step 5: Solve for x
    x = 972,591,704,735.38/1,115,334.93
  6. Step 6: Final answer
    x = 872,017.61

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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.