Home / 1,253,440.50-1,880,430.62-388,857.89

Finding the Fourth Proportional to 1,253,440.50, 1,880,430.62 and 388,857.89

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Solution

The fourth proportional to 1,253,440.50, 1,880,430.62 and 388,857.89 is: 583,370.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,440.50 : 1,880,430.62 = 388,857.89 : x
  2. Step 2: Convert to fraction form
    1,253,440.50/1,880,430.62 = 388,857.89/x
  3. Step 3: Cross multiply
    1,253,440.50x = 1,880,430.62 × 388,857.89
  4. Step 4: Simplify right side
    1,253,440.50x = 731,220,285,941.38
  5. Step 5: Solve for x
    x = 731,220,285,941.38/1,253,440.50
  6. Step 6: Final answer
    x = 583,370.56

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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.