Home / 1,358,415.48-1,872,739.86-1,083,705.48

Finding the Fourth Proportional to 1,358,415.48, 1,872,739.86 and 1,083,705.48

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Solution

The fourth proportional to 1,358,415.48, 1,872,739.86 and 1,083,705.48 is: 1,494,018.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,415.48 : 1,872,739.86 = 1,083,705.48 : x
  2. Step 2: Convert to fraction form
    1,358,415.48/1,872,739.86 = 1,083,705.48/x
  3. Step 3: Cross multiply
    1,358,415.48x = 1,872,739.86 × 1,083,705.48
  4. Step 4: Simplify right side
    1,358,415.48x = 2,029,498,448,896.43
  5. Step 5: Solve for x
    x = 2,029,498,448,896.43/1,358,415.48
  6. Step 6: Final answer
    x = 1,494,018.94

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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.