Home / 1,209,604.98-1,669,255.02-658,322.76

Finding the Fourth Proportional to 1,209,604.98, 1,669,255.02 and 658,322.76

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Solution

The fourth proportional to 1,209,604.98, 1,669,255.02 and 658,322.76 is: 908,485.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,604.98 : 1,669,255.02 = 658,322.76 : x
  2. Step 2: Convert to fraction form
    1,209,604.98/1,669,255.02 = 658,322.76/x
  3. Step 3: Cross multiply
    1,209,604.98x = 1,669,255.02 × 658,322.76
  4. Step 4: Simplify right side
    1,209,604.98x = 1,098,908,571,910.26
  5. Step 5: Solve for x
    x = 1,098,908,571,910.26/1,209,604.98
  6. Step 6: Final answer
    x = 908,485.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.