Home / 1,631,269.33-2,443,178.71-778,940.96

Finding the Fourth Proportional to 1,631,269.33, 2,443,178.71 and 778,940.96

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Solution

The fourth proportional to 1,631,269.33, 2,443,178.71 and 778,940.96 is: 1,166,632.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,269.33 : 2,443,178.71 = 778,940.96 : x
  2. Step 2: Convert to fraction form
    1,631,269.33/2,443,178.71 = 778,940.96/x
  3. Step 3: Cross multiply
    1,631,269.33x = 2,443,178.71 × 778,940.96
  4. Step 4: Simplify right side
    1,631,269.33x = 1,903,091,970,203.55
  5. Step 5: Solve for x
    x = 1,903,091,970,203.55/1,631,269.33
  6. Step 6: Final answer
    x = 1,166,632.60

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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.