Home / 1,463,299.68-2,019,431.76-818,681.28

Finding the Fourth Proportional to 1,463,299.68, 2,019,431.76 and 818,681.28

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Solution

The fourth proportional to 1,463,299.68, 2,019,431.76 and 818,681.28 is: 1,129,823.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463,299.68 : 2,019,431.76 = 818,681.28 : x
  2. Step 2: Convert to fraction form
    1,463,299.68/2,019,431.76 = 818,681.28/x
  3. Step 3: Cross multiply
    1,463,299.68x = 2,019,431.76 × 818,681.28
  4. Step 4: Simplify right side
    1,463,299.68x = 1,653,270,978,149.45
  5. Step 5: Solve for x
    x = 1,653,270,978,149.45/1,463,299.68
  6. Step 6: Final answer
    x = 1,129,823.92

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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.