Home / 1,422,410.46-1,964,543.16-956,453.72

Finding the Fourth Proportional to 1,422,410.46, 1,964,543.16 and 956,453.72

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Solution

The fourth proportional to 1,422,410.46, 1,964,543.16 and 956,453.72 is: 1,320,993.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,410.46 : 1,964,543.16 = 956,453.72 : x
  2. Step 2: Convert to fraction form
    1,422,410.46/1,964,543.16 = 956,453.72/x
  3. Step 3: Cross multiply
    1,422,410.46x = 1,964,543.16 × 956,453.72
  4. Step 4: Simplify right side
    1,422,410.46x = 1,878,994,603,659.84
  5. Step 5: Solve for x
    x = 1,878,994,603,659.84/1,422,410.46
  6. Step 6: Final answer
    x = 1,320,993.24

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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.