Home / 1,687,090.06-2,328,184.29-923,143.63

Finding the Fourth Proportional to 1,687,090.06, 2,328,184.29 and 923,143.63

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Solution

The fourth proportional to 1,687,090.06, 2,328,184.29 and 923,143.63 is: 1,273,938.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,090.06 : 2,328,184.29 = 923,143.63 : x
  2. Step 2: Convert to fraction form
    1,687,090.06/2,328,184.29 = 923,143.63/x
  3. Step 3: Cross multiply
    1,687,090.06x = 2,328,184.29 × 923,143.63
  4. Step 4: Simplify right side
    1,687,090.06x = 2,149,248,481,676.86
  5. Step 5: Solve for x
    x = 2,149,248,481,676.86/1,687,090.06
  6. Step 6: Final answer
    x = 1,273,938.20

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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.