Home / 1,301,941.80-1,952,912.70-342,395.55

Finding the Fourth Proportional to 1,301,941.80, 1,952,912.70 and 342,395.55

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Solution

The fourth proportional to 1,301,941.80, 1,952,912.70 and 342,395.55 is: 513,593.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,941.80 : 1,952,912.70 = 342,395.55 : x
  2. Step 2: Convert to fraction form
    1,301,941.80/1,952,912.70 = 342,395.55/x
  3. Step 3: Cross multiply
    1,301,941.80x = 1,952,912.70 × 342,395.55
  4. Step 4: Simplify right side
    1,301,941.80x = 668,668,618,018.49
  5. Step 5: Solve for x
    x = 668,668,618,018.49/1,301,941.80
  6. Step 6: Final answer
    x = 513,593.33

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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.