Home / 1,355,879.50-1,871,108.56-744,042.49

Finding the Fourth Proportional to 1,355,879.50, 1,871,108.56 and 744,042.49

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Solution

The fourth proportional to 1,355,879.50, 1,871,108.56 and 744,042.49 is: 1,026,775.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,879.50 : 1,871,108.56 = 744,042.49 : x
  2. Step 2: Convert to fraction form
    1,355,879.50/1,871,108.56 = 744,042.49/x
  3. Step 3: Cross multiply
    1,355,879.50x = 1,871,108.56 × 744,042.49
  4. Step 4: Simplify right side
    1,355,879.50x = 1,392,184,272,042.71
  5. Step 5: Solve for x
    x = 1,392,184,272,042.71/1,355,879.50
  6. Step 6: Final answer
    x = 1,026,775.81

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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.