Home / 1,449,222.29-1,996,636.65-1,121,408.00

Finding the Fourth Proportional to 1,449,222.29, 1,996,636.65 and 1,121,408.00

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Solution

The fourth proportional to 1,449,222.29, 1,996,636.65 and 1,121,408.00 is: 1,544,997.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,222.29 : 1,996,636.65 = 1,121,408.00 : x
  2. Step 2: Convert to fraction form
    1,449,222.29/1,996,636.65 = 1,121,408.00/x
  3. Step 3: Cross multiply
    1,449,222.29x = 1,996,636.65 × 1,121,408.00
  4. Step 4: Simplify right side
    1,449,222.29x = 2,239,044,302,420.02
  5. Step 5: Solve for x
    x = 2,239,044,302,420.02/1,449,222.29
  6. Step 6: Final answer
    x = 1,544,997.15

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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.