Home / 958,195.78-1,438,290.57-705,761.30

Finding the Fourth Proportional to 958,195.78, 1,438,290.57 and 705,761.30

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Solution

The fourth proportional to 958,195.78, 1,438,290.57 and 705,761.30 is: 1,059,376.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,195.78 : 1,438,290.57 = 705,761.30 : x
  2. Step 2: Convert to fraction form
    958,195.78/1,438,290.57 = 705,761.30/x
  3. Step 3: Cross multiply
    958,195.78x = 1,438,290.57 × 705,761.30
  4. Step 4: Simplify right side
    958,195.78x = 1,015,089,828,703.27
  5. Step 5: Solve for x
    x = 1,015,089,828,703.27/958,195.78
  6. Step 6: Final answer
    x = 1,059,376.23

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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.