Home / 1,687,692.24-2,329,018.11-923,794.20

Finding the Fourth Proportional to 1,687,692.24, 2,329,018.11 and 923,794.20

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Solution

The fourth proportional to 1,687,692.24, 2,329,018.11 and 923,794.20 is: 1,274,837.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,692.24 : 2,329,018.11 = 923,794.20 : x
  2. Step 2: Convert to fraction form
    1,687,692.24/2,329,018.11 = 923,794.20/x
  3. Step 3: Cross multiply
    1,687,692.24x = 2,329,018.11 × 923,794.20
  4. Step 4: Simplify right side
    1,687,692.24x = 2,151,533,421,712.96
  5. Step 5: Solve for x
    x = 2,151,533,421,712.96/1,687,692.24
  6. Step 6: Final answer
    x = 1,274,837.54

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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.