Home / 1,057,625.22-1,458,113.14-840,558.72

Finding the Fourth Proportional to 1,057,625.22, 1,458,113.14 and 840,558.72

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Solution

The fourth proportional to 1,057,625.22, 1,458,113.14 and 840,558.72 is: 1,158,850.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,625.22 : 1,458,113.14 = 840,558.72 : x
  2. Step 2: Convert to fraction form
    1,057,625.22/1,458,113.14 = 840,558.72/x
  3. Step 3: Cross multiply
    1,057,625.22x = 1,458,113.14 × 840,558.72
  4. Step 4: Simplify right side
    1,057,625.22x = 1,225,629,707,283.01
  5. Step 5: Solve for x
    x = 1,225,629,707,283.01/1,057,625.22
  6. Step 6: Final answer
    x = 1,158,850.69

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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.