Home / 1,463,139.40-2,196,458.70-823,952.20

Finding the Fourth Proportional to 1,463,139.40, 2,196,458.70 and 823,952.20

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Solution

The fourth proportional to 1,463,139.40, 2,196,458.70 and 823,952.20 is: 1,236,913.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463,139.40 : 2,196,458.70 = 823,952.20 : x
  2. Step 2: Convert to fraction form
    1,463,139.40/2,196,458.70 = 823,952.20/x
  3. Step 3: Cross multiply
    1,463,139.40x = 2,196,458.70 × 823,952.20
  4. Step 4: Simplify right side
    1,463,139.40x = 1,809,776,978,074.14
  5. Step 5: Solve for x
    x = 1,809,776,978,074.14/1,463,139.40
  6. Step 6: Final answer
    x = 1,236,913.57

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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.