Home / 909,126.78-1,364,157.54-697,255.80

Finding the Fourth Proportional to 909,126.78, 1,364,157.54 and 697,255.80

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Solution

The fourth proportional to 909,126.78, 1,364,157.54 and 697,255.80 is: 1,046,242.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,126.78 : 1,364,157.54 = 697,255.80 : x
  2. Step 2: Convert to fraction form
    909,126.78/1,364,157.54 = 697,255.80/x
  3. Step 3: Cross multiply
    909,126.78x = 1,364,157.54 × 697,255.80
  4. Step 4: Simplify right side
    909,126.78x = 951,166,756,878.73
  5. Step 5: Solve for x
    x = 951,166,756,878.73/909,126.78
  6. Step 6: Final answer
    x = 1,046,242.15

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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.