Home / 1,908,974-2,863,478.28-579,278

Finding the Fourth Proportional to 1,908,974, 2,863,478.28 and 579,278

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Solution

The fourth proportional to 1,908,974, 2,863,478.28 and 579,278 is: 868,922.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,974 : 2,863,478.28 = 579,278 : x
  2. Step 2: Convert to fraction form
    1,908,974/2,863,478.28 = 579,278/x
  3. Step 3: Cross multiply
    1,908,974x = 2,863,478.28 × 579,278
  4. Step 4: Simplify right side
    1,908,974x = 1,658,749,971,081.84
  5. Step 5: Solve for x
    x = 1,658,749,971,081.84/1,908,974
  6. Step 6: Final answer
    x = 868,922.24

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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.