Home / 859,578.93-1,289,570.09-845,297.82

Finding the Fourth Proportional to 859,578.93, 1,289,570.09 and 845,297.82

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Solution

The fourth proportional to 859,578.93, 1,289,570.09 and 845,297.82 is: 1,268,145.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,578.93 : 1,289,570.09 = 845,297.82 : x
  2. Step 2: Convert to fraction form
    859,578.93/1,289,570.09 = 845,297.82/x
  3. Step 3: Cross multiply
    859,578.93x = 1,289,570.09 × 845,297.82
  4. Step 4: Simplify right side
    859,578.93x = 1,090,070,781,587.71
  5. Step 5: Solve for x
    x = 1,090,070,781,587.71/859,578.93
  6. Step 6: Final answer
    x = 1,268,145.07

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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.