Home / 1,312,996.40-1,970,272.20-957,114.80

Finding the Fourth Proportional to 1,312,996.40, 1,970,272.20 and 957,114.80

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Solution

The fourth proportional to 1,312,996.40, 1,970,272.20 and 957,114.80 is: 1,436,239.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,996.40 : 1,970,272.20 = 957,114.80 : x
  2. Step 2: Convert to fraction form
    1,312,996.40/1,970,272.20 = 957,114.80/x
  3. Step 3: Cross multiply
    1,312,996.40x = 1,970,272.20 × 957,114.80
  4. Step 4: Simplify right side
    1,312,996.40x = 1,885,776,682,648.56
  5. Step 5: Solve for x
    x = 1,885,776,682,648.56/1,312,996.40
  6. Step 6: Final answer
    x = 1,436,239.04

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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.