Home / 1,908,243.72-2,862,464.78-488,312.84

Finding the Fourth Proportional to 1,908,243.72, 2,862,464.78 and 488,312.84

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Solution

The fourth proportional to 1,908,243.72, 2,862,464.78 and 488,312.84 is: 732,494.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,243.72 : 2,862,464.78 = 488,312.84 : x
  2. Step 2: Convert to fraction form
    1,908,243.72/2,862,464.78 = 488,312.84/x
  3. Step 3: Cross multiply
    1,908,243.72x = 2,862,464.78 × 488,312.84
  4. Step 4: Simplify right side
    1,908,243.72x = 1,397,778,306,121.78
  5. Step 5: Solve for x
    x = 1,397,778,306,121.78/1,908,243.72
  6. Step 6: Final answer
    x = 732,494.64

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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.