Home / 1,659,658.49-2,290,085.07-934,361.81

Finding the Fourth Proportional to 1,659,658.49, 2,290,085.07 and 934,361.81

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Solution

The fourth proportional to 1,659,658.49, 2,290,085.07 and 934,361.81 is: 1,289,282.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,658.49 : 2,290,085.07 = 934,361.81 : x
  2. Step 2: Convert to fraction form
    1,659,658.49/2,290,085.07 = 934,361.81/x
  3. Step 3: Cross multiply
    1,659,658.49x = 2,290,085.07 × 934,361.81
  4. Step 4: Simplify right side
    1,659,658.49x = 2,139,768,019,608.75
  5. Step 5: Solve for x
    x = 2,139,768,019,608.75/1,659,658.49
  6. Step 6: Final answer
    x = 1,289,282.13

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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.