Home / 1,286,976.50-1,931,000.16-566,949.68

Finding the Fourth Proportional to 1,286,976.50, 1,931,000.16 and 566,949.68

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Solution

The fourth proportional to 1,286,976.50, 1,931,000.16 and 566,949.68 is: 850,660.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,976.50 : 1,931,000.16 = 566,949.68 : x
  2. Step 2: Convert to fraction form
    1,286,976.50/1,931,000.16 = 566,949.68/x
  3. Step 3: Cross multiply
    1,286,976.50x = 1,931,000.16 × 566,949.68
  4. Step 4: Simplify right side
    1,286,976.50x = 1,094,779,922,791.95
  5. Step 5: Solve for x
    x = 1,094,779,922,791.95/1,286,976.50
  6. Step 6: Final answer
    x = 850,660.38

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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.