Home / 1,672,623.81-2,308,237.04-908,682.84

Finding the Fourth Proportional to 1,672,623.81, 2,308,237.04 and 908,682.84

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Solution

The fourth proportional to 1,672,623.81, 2,308,237.04 and 908,682.84 is: 1,253,991.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,623.81 : 2,308,237.04 = 908,682.84 : x
  2. Step 2: Convert to fraction form
    1,672,623.81/2,308,237.04 = 908,682.84/x
  3. Step 3: Cross multiply
    1,672,623.81x = 2,308,237.04 × 908,682.84
  4. Step 4: Simplify right side
    1,672,623.81x = 2,097,455,384,356.98
  5. Step 5: Solve for x
    x = 2,097,455,384,356.98/1,672,623.81
  6. Step 6: Final answer
    x = 1,253,991.11

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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.