Home / 1,447,112.88-1,997,138.52-802,740.66

Finding the Fourth Proportional to 1,447,112.88, 1,997,138.52 and 802,740.66

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Solution

The fourth proportional to 1,447,112.88, 1,997,138.52 and 802,740.66 is: 1,107,850.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,112.88 : 1,997,138.52 = 802,740.66 : x
  2. Step 2: Convert to fraction form
    1,447,112.88/1,997,138.52 = 802,740.66/x
  3. Step 3: Cross multiply
    1,447,112.88x = 1,997,138.52 × 802,740.66
  4. Step 4: Simplify right side
    1,447,112.88x = 1,603,184,293,656.22
  5. Step 5: Solve for x
    x = 1,603,184,293,656.22/1,447,112.88
  6. Step 6: Final answer
    x = 1,107,850.20

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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.