Home / 1,908,913.12-2,863,304.12-488,981.52

Finding the Fourth Proportional to 1,908,913.12, 2,863,304.12 and 488,981.52

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Solution

The fourth proportional to 1,908,913.12, 2,863,304.12 and 488,981.52 is: 733,455.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,913.12 : 2,863,304.12 = 488,981.52 : x
  2. Step 2: Convert to fraction form
    1,908,913.12/2,863,304.12 = 488,981.52/x
  3. Step 3: Cross multiply
    1,908,913.12x = 2,863,304.12 × 488,981.52
  4. Step 4: Simplify right side
    1,908,913.12x = 1,400,102,800,819.86
  5. Step 5: Solve for x
    x = 1,400,102,800,819.86/1,908,913.12
  6. Step 6: Final answer
    x = 733,455.49

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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.