Home / 1,426,755.70-1,968,900.51-782,181.19

Finding the Fourth Proportional to 1,426,755.70, 1,968,900.51 and 782,181.19

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Solution

The fourth proportional to 1,426,755.70, 1,968,900.51 and 782,181.19 is: 1,079,397.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,755.70 : 1,968,900.51 = 782,181.19 : x
  2. Step 2: Convert to fraction form
    1,426,755.70/1,968,900.51 = 782,181.19/x
  3. Step 3: Cross multiply
    1,426,755.70x = 1,968,900.51 × 782,181.19
  4. Step 4: Simplify right side
    1,426,755.70x = 1,540,036,943,903.41
  5. Step 5: Solve for x
    x = 1,540,036,943,903.41/1,426,755.70
  6. Step 6: Final answer
    x = 1,079,397.79

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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.