Home / 1,245,055.77-1,714,565.21-1,081,638.27

Finding the Fourth Proportional to 1,245,055.77, 1,714,565.21 and 1,081,638.27

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Solution

The fourth proportional to 1,245,055.77, 1,714,565.21 and 1,081,638.27 is: 1,489,523.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,055.77 : 1,714,565.21 = 1,081,638.27 : x
  2. Step 2: Convert to fraction form
    1,245,055.77/1,714,565.21 = 1,081,638.27/x
  3. Step 3: Cross multiply
    1,245,055.77x = 1,714,565.21 × 1,081,638.27
  4. Step 4: Simplify right side
    1,245,055.77x = 1,854,539,342,138.40
  5. Step 5: Solve for x
    x = 1,854,539,342,138.40/1,245,055.77
  6. Step 6: Final answer
    x = 1,489,523.11

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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.