Home / 1,672,118.34-2,507,535.54-711,965.22

Finding the Fourth Proportional to 1,672,118.34, 2,507,535.54 and 711,965.22

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Solution

The fourth proportional to 1,672,118.34, 2,507,535.54 and 711,965.22 is: 1,067,674.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,118.34 : 2,507,535.54 = 711,965.22 : x
  2. Step 2: Convert to fraction form
    1,672,118.34/2,507,535.54 = 711,965.22/x
  3. Step 3: Cross multiply
    1,672,118.34x = 2,507,535.54 × 711,965.22
  4. Step 4: Simplify right side
    1,672,118.34x = 1,785,278,092,393.92
  5. Step 5: Solve for x
    x = 1,785,278,092,393.92/1,672,118.34
  6. Step 6: Final answer
    x = 1,067,674.49

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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.