Home / 1,783,280.95-2,675,124.39-646,578.47

Finding the Fourth Proportional to 1,783,280.95, 2,675,124.39 and 646,578.47

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Solution

The fourth proportional to 1,783,280.95, 2,675,124.39 and 646,578.47 is: 969,941.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,280.95 : 2,675,124.39 = 646,578.47 : x
  2. Step 2: Convert to fraction form
    1,783,280.95/2,675,124.39 = 646,578.47/x
  3. Step 3: Cross multiply
    1,783,280.95x = 2,675,124.39 × 646,578.47
  4. Step 4: Simplify right side
    1,783,280.95x = 1,729,677,835,145.88
  5. Step 5: Solve for x
    x = 1,729,677,835,145.88/1,783,280.95
  6. Step 6: Final answer
    x = 969,941.30

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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.