Home / 1,916,116-2,874,635.79-718,048.78

Finding the Fourth Proportional to 1,916,116, 2,874,635.79 and 718,048.78

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Solution

The fourth proportional to 1,916,116, 2,874,635.79 and 718,048.78 is: 1,077,246.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,116 : 2,874,635.79 = 718,048.78 : x
  2. Step 2: Convert to fraction form
    1,916,116/2,874,635.79 = 718,048.78/x
  3. Step 3: Cross multiply
    1,916,116x = 2,874,635.79 × 718,048.78
  4. Step 4: Simplify right side
    1,916,116x = 2,064,128,721,953.84
  5. Step 5: Solve for x
    x = 2,064,128,721,953.84/1,916,116
  6. Step 6: Final answer
    x = 1,077,246.22

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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.