Home / 1,783,688.12-2,675,940.82-772,979.66

Finding the Fourth Proportional to 1,783,688.12, 2,675,940.82 and 772,979.66

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Solution

The fourth proportional to 1,783,688.12, 2,675,940.82 and 772,979.66 is: 1,159,646.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,688.12 : 2,675,940.82 = 772,979.66 : x
  2. Step 2: Convert to fraction form
    1,783,688.12/2,675,940.82 = 772,979.66/x
  3. Step 3: Cross multiply
    1,783,688.12x = 2,675,940.82 × 772,979.66
  4. Step 4: Simplify right side
    1,783,688.12x = 2,068,447,825,223.72
  5. Step 5: Solve for x
    x = 2,068,447,825,223.72/1,783,688.12
  6. Step 6: Final answer
    x = 1,159,646.58

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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.