Home / 1,672,086.77-2,507,488.40-711,933.63

Finding the Fourth Proportional to 1,672,086.77, 2,507,488.40 and 711,933.63

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Solution

The fourth proportional to 1,672,086.77, 2,507,488.40 and 711,933.63 is: 1,067,627.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,086.77 : 2,507,488.40 = 711,933.63 : x
  2. Step 2: Convert to fraction form
    1,672,086.77/2,507,488.40 = 711,933.63/x
  3. Step 3: Cross multiply
    1,672,086.77x = 2,507,488.40 × 711,933.63
  4. Step 4: Simplify right side
    1,672,086.77x = 1,785,165,315,235.22
  5. Step 5: Solve for x
    x = 1,785,165,315,235.22/1,672,086.77
  6. Step 6: Final answer
    x = 1,067,627.20

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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.