Home / 1,277,339.73-1,913,840.68-770,836.43

Finding the Fourth Proportional to 1,277,339.73, 1,913,840.68 and 770,836.43

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Solution

The fourth proportional to 1,277,339.73, 1,913,840.68 and 770,836.43 is: 1,154,945.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,339.73 : 1,913,840.68 = 770,836.43 : x
  2. Step 2: Convert to fraction form
    1,277,339.73/1,913,840.68 = 770,836.43/x
  3. Step 3: Cross multiply
    1,277,339.73x = 1,913,840.68 × 770,836.43
  4. Step 4: Simplify right side
    1,277,339.73x = 1,475,258,117,359.97
  5. Step 5: Solve for x
    x = 1,475,258,117,359.97/1,277,339.73
  6. Step 6: Final answer
    x = 1,154,945.77

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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.