Home / 1,353,111.76-2,029,512.12-355,917.52

Finding the Fourth Proportional to 1,353,111.76, 2,029,512.12 and 355,917.52

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Solution

The fourth proportional to 1,353,111.76, 2,029,512.12 and 355,917.52 is: 533,835.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,111.76 : 2,029,512.12 = 355,917.52 : x
  2. Step 2: Convert to fraction form
    1,353,111.76/2,029,512.12 = 355,917.52/x
  3. Step 3: Cross multiply
    1,353,111.76x = 2,029,512.12 × 355,917.52
  4. Step 4: Simplify right side
    1,353,111.76x = 722,338,920,560.34
  5. Step 5: Solve for x
    x = 722,338,920,560.34/1,353,111.76
  6. Step 6: Final answer
    x = 533,835.37

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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.