Home / 1,783,641.28-2,675,454.56-646,137.12

Finding the Fourth Proportional to 1,783,641.28, 2,675,454.56 and 646,137.12

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Solution

The fourth proportional to 1,783,641.28, 2,675,454.56 and 646,137.12 is: 969,203.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,641.28 : 2,675,454.56 = 646,137.12 : x
  2. Step 2: Convert to fraction form
    1,783,641.28/2,675,454.56 = 646,137.12/x
  3. Step 3: Cross multiply
    1,783,641.28x = 2,675,454.56 × 646,137.12
  4. Step 4: Simplify right side
    1,783,641.28x = 1,728,710,504,089.27
  5. Step 5: Solve for x
    x = 1,728,710,504,089.27/1,783,641.28
  6. Step 6: Final answer
    x = 969,203.01

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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.