Home / 1,259,841.60-1,889,769.36-313,212.32

Finding the Fourth Proportional to 1,259,841.60, 1,889,769.36 and 313,212.32

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Solution

The fourth proportional to 1,259,841.60, 1,889,769.36 and 313,212.32 is: 469,820.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,841.60 : 1,889,769.36 = 313,212.32 : x
  2. Step 2: Convert to fraction form
    1,259,841.60/1,889,769.36 = 313,212.32/x
  3. Step 3: Cross multiply
    1,259,841.60x = 1,889,769.36 × 313,212.32
  4. Step 4: Simplify right side
    1,259,841.60x = 591,899,045,510.52
  5. Step 5: Solve for x
    x = 591,899,045,510.52/1,259,841.60
  6. Step 6: Final answer
    x = 469,820.21

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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.