Home / 1,313,018.40-1,970,305.20-957,136.80

Finding the Fourth Proportional to 1,313,018.40, 1,970,305.20 and 957,136.80

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Solution

The fourth proportional to 1,313,018.40, 1,970,305.20 and 957,136.80 is: 1,436,272.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,018.40 : 1,970,305.20 = 957,136.80 : x
  2. Step 2: Convert to fraction form
    1,313,018.40/1,970,305.20 = 957,136.80/x
  3. Step 3: Cross multiply
    1,313,018.40x = 1,970,305.20 × 957,136.80
  4. Step 4: Simplify right side
    1,313,018.40x = 1,885,851,614,151.36
  5. Step 5: Solve for x
    x = 1,885,851,614,151.36/1,313,018.40
  6. Step 6: Final answer
    x = 1,436,272.04

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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.