Home / 1,812,638.48-2,501,383.84-996,839.64

Finding the Fourth Proportional to 1,812,638.48, 2,501,383.84 and 996,839.64

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Solution

The fourth proportional to 1,812,638.48, 2,501,383.84 and 996,839.64 is: 1,375,607.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,638.48 : 2,501,383.84 = 996,839.64 : x
  2. Step 2: Convert to fraction form
    1,812,638.48/2,501,383.84 = 996,839.64/x
  3. Step 3: Cross multiply
    1,812,638.48x = 2,501,383.84 × 996,839.64
  4. Step 4: Simplify right side
    1,812,638.48x = 2,493,478,564,075.32
  5. Step 5: Solve for x
    x = 2,493,478,564,075.32/1,812,638.48
  6. Step 6: Final answer
    x = 1,375,607.21

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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.