Home / 1,312,324.48-1,968,299.81-413,649.43

Finding the Fourth Proportional to 1,312,324.48, 1,968,299.81 and 413,649.43

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Solution

The fourth proportional to 1,312,324.48, 1,968,299.81 and 413,649.43 is: 620,415.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,324.48 : 1,968,299.81 = 413,649.43 : x
  2. Step 2: Convert to fraction form
    1,312,324.48/1,968,299.81 = 413,649.43/x
  3. Step 3: Cross multiply
    1,312,324.48x = 1,968,299.81 × 413,649.43
  4. Step 4: Simplify right side
    1,312,324.48x = 814,186,089,037.80
  5. Step 5: Solve for x
    x = 814,186,089,037.80/1,312,324.48
  6. Step 6: Final answer
    x = 620,415.23

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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.