Home / 1,777,508.64-2,666,262.96-978,378.84

Finding the Fourth Proportional to 1,777,508.64, 2,666,262.96 and 978,378.84

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Solution

The fourth proportional to 1,777,508.64, 2,666,262.96 and 978,378.84 is: 1,467,568.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,508.64 : 2,666,262.96 = 978,378.84 : x
  2. Step 2: Convert to fraction form
    1,777,508.64/2,666,262.96 = 978,378.84/x
  3. Step 3: Cross multiply
    1,777,508.64x = 2,666,262.96 × 978,378.84
  4. Step 4: Simplify right side
    1,777,508.64x = 2,608,615,261,939.77
  5. Step 5: Solve for x
    x = 2,608,615,261,939.77/1,777,508.64
  6. Step 6: Final answer
    x = 1,467,568.26

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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.