Home / 841,145.23-1,261,916.73-272,525.41

Finding the Fourth Proportional to 841,145.23, 1,261,916.73 and 272,525.41

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Solution

The fourth proportional to 841,145.23, 1,261,916.73 and 272,525.41 is: 408,852.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,145.23 : 1,261,916.73 = 272,525.41 : x
  2. Step 2: Convert to fraction form
    841,145.23/1,261,916.73 = 272,525.41/x
  3. Step 3: Cross multiply
    841,145.23x = 1,261,916.73 × 272,525.41
  4. Step 4: Simplify right side
    841,145.23x = 343,904,375,806.51
  5. Step 5: Solve for x
    x = 343,904,375,806.51/841,145.23
  6. Step 6: Final answer
    x = 408,852.55

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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.