Home / 1,801,237.90-2,485,699.32-985,426.78

Finding the Fourth Proportional to 1,801,237.90, 2,485,699.32 and 985,426.78

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Solution

The fourth proportional to 1,801,237.90, 2,485,699.32 and 985,426.78 is: 1,359,884.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801,237.90 : 2,485,699.32 = 985,426.78 : x
  2. Step 2: Convert to fraction form
    1,801,237.90/2,485,699.32 = 985,426.78/x
  3. Step 3: Cross multiply
    1,801,237.90x = 2,485,699.32 × 985,426.78
  4. Step 4: Simplify right side
    1,801,237.90x = 2,449,474,676,955.79
  5. Step 5: Solve for x
    x = 2,449,474,676,955.79/1,801,237.90
  6. Step 6: Final answer
    x = 1,359,884.04

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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.