Home / 1,463,209.68-2,019,307.78-818,591.42

Finding the Fourth Proportional to 1,463,209.68, 2,019,307.78 and 818,591.42

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Solution

The fourth proportional to 1,463,209.68, 2,019,307.78 and 818,591.42 is: 1,129,700.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463,209.68 : 2,019,307.78 = 818,591.42 : x
  2. Step 2: Convert to fraction form
    1,463,209.68/2,019,307.78 = 818,591.42/x
  3. Step 3: Cross multiply
    1,463,209.68x = 2,019,307.78 × 818,591.42
  4. Step 4: Simplify right side
    1,463,209.68x = 1,652,988,023,047.25
  5. Step 5: Solve for x
    x = 1,652,988,023,047.25/1,463,209.68
  6. Step 6: Final answer
    x = 1,129,700.03

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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.