Home / 1,254,285.09-1,731,631.50-825,810.75

Finding the Fourth Proportional to 1,254,285.09, 1,731,631.50 and 825,810.75

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Solution

The fourth proportional to 1,254,285.09, 1,731,631.50 and 825,810.75 is: 1,140,091.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,285.09 : 1,731,631.50 = 825,810.75 : x
  2. Step 2: Convert to fraction form
    1,254,285.09/1,731,631.50 = 825,810.75/x
  3. Step 3: Cross multiply
    1,254,285.09x = 1,731,631.50 × 825,810.75
  4. Step 4: Simplify right side
    1,254,285.09x = 1,429,999,907,738.63
  5. Step 5: Solve for x
    x = 1,429,999,907,738.63/1,254,285.09
  6. Step 6: Final answer
    x = 1,140,091.61

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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.