Home / 1,358,292.89-1,874,455.31-849,290.33

Finding the Fourth Proportional to 1,358,292.89, 1,874,455.31 and 849,290.33

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Solution

The fourth proportional to 1,358,292.89, 1,874,455.31 and 849,290.33 is: 1,172,027.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,292.89 : 1,874,455.31 = 849,290.33 : x
  2. Step 2: Convert to fraction form
    1,358,292.89/1,874,455.31 = 849,290.33/x
  3. Step 3: Cross multiply
    1,358,292.89x = 1,874,455.31 × 849,290.33
  4. Step 4: Simplify right side
    1,358,292.89x = 1,591,956,768,800.15
  5. Step 5: Solve for x
    x = 1,591,956,768,800.15/1,358,292.89
  6. Step 6: Final answer
    x = 1,172,027.61

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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.