Home / 1,355,853.51-1,871,072.67-744,016.50

Finding the Fourth Proportional to 1,355,853.51, 1,871,072.67 and 744,016.50

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Solution

The fourth proportional to 1,355,853.51, 1,871,072.67 and 744,016.50 is: 1,026,739.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,853.51 : 1,871,072.67 = 744,016.50 : x
  2. Step 2: Convert to fraction form
    1,355,853.51/1,871,072.67 = 744,016.50/x
  3. Step 3: Cross multiply
    1,355,853.51x = 1,871,072.67 × 744,016.50
  4. Step 4: Simplify right side
    1,355,853.51x = 1,392,108,939,179.06
  5. Step 5: Solve for x
    x = 1,392,108,939,179.06/1,355,853.51
  6. Step 6: Final answer
    x = 1,026,739.93

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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.