Home / 1,409,027.14-2,110,741.35-776,371.78

Finding the Fourth Proportional to 1,409,027.14, 2,110,741.35 and 776,371.78

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Solution

The fourth proportional to 1,409,027.14, 2,110,741.35 and 776,371.78 is: 1,163,015.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,027.14 : 2,110,741.35 = 776,371.78 : x
  2. Step 2: Convert to fraction form
    1,409,027.14/2,110,741.35 = 776,371.78/x
  3. Step 3: Cross multiply
    1,409,027.14x = 2,110,741.35 × 776,371.78
  4. Step 4: Simplify right side
    1,409,027.14x = 1,638,720,019,019.10
  5. Step 5: Solve for x
    x = 1,638,720,019,019.10/1,409,027.14
  6. Step 6: Final answer
    x = 1,163,015.23

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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.