Home / 1,783,325.90-2,675,191.76-646,623.47

Finding the Fourth Proportional to 1,783,325.90, 2,675,191.76 and 646,623.47

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Solution

The fourth proportional to 1,783,325.90, 2,675,191.76 and 646,623.47 is: 970,008.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,325.90 : 2,675,191.76 = 646,623.47 : x
  2. Step 2: Convert to fraction form
    1,783,325.90/2,675,191.76 = 646,623.47/x
  3. Step 3: Cross multiply
    1,783,325.90x = 2,675,191.76 × 646,623.47
  4. Step 4: Simplify right side
    1,783,325.90x = 1,729,841,775,533.49
  5. Step 5: Solve for x
    x = 1,729,841,775,533.49/1,783,325.90
  6. Step 6: Final answer
    x = 970,008.78

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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.