Home / 1,916,115-2,874,634.29-718,047.78

Finding the Fourth Proportional to 1,916,115, 2,874,634.29 and 718,047.78

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Solution

The fourth proportional to 1,916,115, 2,874,634.29 and 718,047.78 is: 1,077,244.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,115 : 2,874,634.29 = 718,047.78 : x
  2. Step 2: Convert to fraction form
    1,916,115/2,874,634.29 = 718,047.78/x
  3. Step 3: Cross multiply
    1,916,115x = 2,874,634.29 × 718,047.78
  4. Step 4: Simplify right side
    1,916,115x = 2,064,124,770,246.38
  5. Step 5: Solve for x
    x = 2,064,124,770,246.38/1,916,115
  6. Step 6: Final answer
    x = 1,077,244.72

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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.