Home / 1,228,940.80-1,843,722.08-342,476.80

Finding the Fourth Proportional to 1,228,940.80, 1,843,722.08 and 342,476.80

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Solution

The fourth proportional to 1,228,940.80, 1,843,722.08 and 342,476.80 is: 513,801.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,940.80 : 1,843,722.08 = 342,476.80 : x
  2. Step 2: Convert to fraction form
    1,228,940.80/1,843,722.08 = 342,476.80/x
  3. Step 3: Cross multiply
    1,228,940.80x = 1,843,722.08 × 342,476.80
  4. Step 4: Simplify right side
    1,228,940.80x = 631,432,038,047.74
  5. Step 5: Solve for x
    x = 631,432,038,047.74/1,228,940.80
  6. Step 6: Final answer
    x = 513,801.83

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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.