Home / 1,226,012.97-1,839,029.70-427,293.22

Finding the Fourth Proportional to 1,226,012.97, 1,839,029.70 and 427,293.22

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Solution

The fourth proportional to 1,226,012.97, 1,839,029.70 and 427,293.22 is: 640,943.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,012.97 : 1,839,029.70 = 427,293.22 : x
  2. Step 2: Convert to fraction form
    1,226,012.97/1,839,029.70 = 427,293.22/x
  3. Step 3: Cross multiply
    1,226,012.97x = 1,839,029.70 × 427,293.22
  4. Step 4: Simplify right side
    1,226,012.97x = 785,804,922,188.63
  5. Step 5: Solve for x
    x = 785,804,922,188.63/1,226,012.97
  6. Step 6: Final answer
    x = 640,943.40

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1.5x scale

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.