Home / 1,154,708.09-1,731,858.01-313,325.45

Finding the Fourth Proportional to 1,154,708.09, 1,731,858.01 and 313,325.45

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Solution

The fourth proportional to 1,154,708.09, 1,731,858.01 and 313,325.45 is: 469,932.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,708.09 : 1,731,858.01 = 313,325.45 : x
  2. Step 2: Convert to fraction form
    1,154,708.09/1,731,858.01 = 313,325.45/x
  3. Step 3: Cross multiply
    1,154,708.09x = 1,731,858.01 × 313,325.45
  4. Step 4: Simplify right side
    1,154,708.09x = 542,635,180,093.44
  5. Step 5: Solve for x
    x = 542,635,180,093.44/1,154,708.09
  6. Step 6: Final answer
    x = 469,932.78

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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.