Home / 1,259,840.60-1,889,767.86-313,211.32

Finding the Fourth Proportional to 1,259,840.60, 1,889,767.86 and 313,211.32

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Solution

The fourth proportional to 1,259,840.60, 1,889,767.86 and 313,211.32 is: 469,818.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,840.60 : 1,889,767.86 = 313,211.32 : x
  2. Step 2: Convert to fraction form
    1,259,840.60/1,889,767.86 = 313,211.32/x
  3. Step 3: Cross multiply
    1,259,840.60x = 1,889,767.86 × 313,211.32
  4. Step 4: Simplify right side
    1,259,840.60x = 591,896,685,924.18
  5. Step 5: Solve for x
    x = 591,896,685,924.18/1,259,840.60
  6. Step 6: Final answer
    x = 469,818.71

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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.