Home / 1,074,442.22-1,481,971.65-912,180.49

Finding the Fourth Proportional to 1,074,442.22, 1,481,971.65 and 912,180.49

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Solution

The fourth proportional to 1,074,442.22, 1,481,971.65 and 912,180.49 is: 1,258,165.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,442.22 : 1,481,971.65 = 912,180.49 : x
  2. Step 2: Convert to fraction form
    1,074,442.22/1,481,971.65 = 912,180.49/x
  3. Step 3: Cross multiply
    1,074,442.22x = 1,481,971.65 × 912,180.49
  4. Step 4: Simplify right side
    1,074,442.22x = 1,351,825,618,737.50
  5. Step 5: Solve for x
    x = 1,351,825,618,737.50/1,074,442.22
  6. Step 6: Final answer
    x = 1,258,165.02

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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.