Home / 1,110,019.95-1,664,738.19-478,793.43

Finding the Fourth Proportional to 1,110,019.95, 1,664,738.19 and 478,793.43

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Solution

The fourth proportional to 1,110,019.95, 1,664,738.19 and 478,793.43 is: 718,064.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,019.95 : 1,664,738.19 = 478,793.43 : x
  2. Step 2: Convert to fraction form
    1,110,019.95/1,664,738.19 = 478,793.43/x
  3. Step 3: Cross multiply
    1,110,019.95x = 1,664,738.19 × 478,793.43
  4. Step 4: Simplify right side
    1,110,019.95x = 797,065,708,042.09
  5. Step 5: Solve for x
    x = 797,065,708,042.09/1,110,019.95
  6. Step 6: Final answer
    x = 718,064.31

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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.