Home / 1,280,820.96-1,766,388.66-1,062,684.24

Finding the Fourth Proportional to 1,280,820.96, 1,766,388.66 and 1,062,684.24

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Solution

The fourth proportional to 1,280,820.96, 1,766,388.66 and 1,062,684.24 is: 1,465,554.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,820.96 : 1,766,388.66 = 1,062,684.24 : x
  2. Step 2: Convert to fraction form
    1,280,820.96/1,766,388.66 = 1,062,684.24/x
  3. Step 3: Cross multiply
    1,280,820.96x = 1,766,388.66 × 1,062,684.24
  4. Step 4: Simplify right side
    1,280,820.96x = 1,877,113,390,696.72
  5. Step 5: Solve for x
    x = 1,877,113,390,696.72/1,280,820.96
  6. Step 6: Final answer
    x = 1,465,554.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.