Home / 1,270,648.64-1,906,206.84-417,768.45

Finding the Fourth Proportional to 1,270,648.64, 1,906,206.84 and 417,768.45

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Solution

The fourth proportional to 1,270,648.64, 1,906,206.84 and 417,768.45 is: 626,729.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,648.64 : 1,906,206.84 = 417,768.45 : x
  2. Step 2: Convert to fraction form
    1,270,648.64/1,906,206.84 = 417,768.45/x
  3. Step 3: Cross multiply
    1,270,648.64x = 1,906,206.84 × 417,768.45
  4. Step 4: Simplify right side
    1,270,648.64x = 796,353,076,926.20
  5. Step 5: Solve for x
    x = 796,353,076,926.20/1,270,648.64
  6. Step 6: Final answer
    x = 626,729.57

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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.