Home / 1,362,414.78-1,880,132.40-758,802.78

Finding the Fourth Proportional to 1,362,414.78, 1,880,132.40 and 758,802.78

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Solution

The fourth proportional to 1,362,414.78, 1,880,132.40 and 758,802.78 is: 1,047,147.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,414.78 : 1,880,132.40 = 758,802.78 : x
  2. Step 2: Convert to fraction form
    1,362,414.78/1,880,132.40 = 758,802.78/x
  3. Step 3: Cross multiply
    1,362,414.78x = 1,880,132.40 × 758,802.78
  4. Step 4: Simplify right side
    1,362,414.78x = 1,426,649,691,888.07
  5. Step 5: Solve for x
    x = 1,426,649,691,888.07/1,362,414.78
  6. Step 6: Final answer
    x = 1,047,147.84

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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.