Home / 1,455,878.40-2,183,428.80-444,998.40

Finding the Fourth Proportional to 1,455,878.40, 2,183,428.80 and 444,998.40

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Solution

The fourth proportional to 1,455,878.40, 2,183,428.80 and 444,998.40 is: 667,378.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,878.40 : 2,183,428.80 = 444,998.40 : x
  2. Step 2: Convert to fraction form
    1,455,878.40/2,183,428.80 = 444,998.40/x
  3. Step 3: Cross multiply
    1,455,878.40x = 2,183,428.80 × 444,998.40
  4. Step 4: Simplify right side
    1,455,878.40x = 971,622,322,513.92
  5. Step 5: Solve for x
    x = 971,622,322,513.92/1,455,878.40
  6. Step 6: Final answer
    x = 667,378.76

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1.5x scale

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.