Home / 1,603,165.76-2,212,368.72-878,015.18

Finding the Fourth Proportional to 1,603,165.76, 2,212,368.72 and 878,015.18

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Solution

The fourth proportional to 1,603,165.76, 2,212,368.72 and 878,015.18 is: 1,211,660.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,165.76 : 2,212,368.72 = 878,015.18 : x
  2. Step 2: Convert to fraction form
    1,603,165.76/2,212,368.72 = 878,015.18/x
  3. Step 3: Cross multiply
    1,603,165.76x = 2,212,368.72 × 878,015.18
  4. Step 4: Simplify right side
    1,603,165.76x = 1,942,493,319,917.17
  5. Step 5: Solve for x
    x = 1,942,493,319,917.17/1,603,165.76
  6. Step 6: Final answer
    x = 1,211,660.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.