Home / 1,672,074.09-2,507,469.31-711,920.95

Finding the Fourth Proportional to 1,672,074.09, 2,507,469.31 and 711,920.95

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Solution

The fourth proportional to 1,672,074.09, 2,507,469.31 and 711,920.95 is: 1,067,608.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,074.09 : 2,507,469.31 = 711,920.95 : x
  2. Step 2: Convert to fraction form
    1,672,074.09/2,507,469.31 = 711,920.95/x
  3. Step 3: Cross multiply
    1,672,074.09x = 2,507,469.31 × 711,920.95
  4. Step 4: Simplify right side
    1,672,074.09x = 1,785,119,927,892.27
  5. Step 5: Solve for x
    x = 1,785,119,927,892.27/1,672,074.09
  6. Step 6: Final answer
    x = 1,067,608.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.