Home / 1,181,556.72-1,772,706.87-422,880.95

Finding the Fourth Proportional to 1,181,556.72, 1,772,706.87 and 422,880.95

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Solution

The fourth proportional to 1,181,556.72, 1,772,706.87 and 422,880.95 is: 634,454.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,556.72 : 1,772,706.87 = 422,880.95 : x
  2. Step 2: Convert to fraction form
    1,181,556.72/1,772,706.87 = 422,880.95/x
  3. Step 3: Cross multiply
    1,181,556.72x = 1,772,706.87 × 422,880.95
  4. Step 4: Simplify right side
    1,181,556.72x = 749,643,969,688.89
  5. Step 5: Solve for x
    x = 749,643,969,688.89/1,181,556.72
  6. Step 6: Final answer
    x = 634,454.49

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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.