Home / 1,631,270.33-2,443,180.21-778,941.96

Finding the Fourth Proportional to 1,631,270.33, 2,443,180.21 and 778,941.96

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Solution

The fourth proportional to 1,631,270.33, 2,443,180.21 and 778,941.96 is: 1,166,634.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,270.33 : 2,443,180.21 = 778,941.96 : x
  2. Step 2: Convert to fraction form
    1,631,270.33/2,443,180.21 = 778,941.96/x
  3. Step 3: Cross multiply
    1,631,270.33x = 2,443,180.21 × 778,941.96
  4. Step 4: Simplify right side
    1,631,270.33x = 1,903,095,577,515.90
  5. Step 5: Solve for x
    x = 1,903,095,577,515.90/1,631,270.33
  6. Step 6: Final answer
    x = 1,166,634.09

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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.