Home / 909,905.80-1,364,858.70-732,758.80

Finding the Fourth Proportional to 909,905.80, 1,364,858.70 and 732,758.80

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Solution

The fourth proportional to 909,905.80, 1,364,858.70 and 732,758.80 is: 1,099,138.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,905.80 : 1,364,858.70 = 732,758.80 : x
  2. Step 2: Convert to fraction form
    909,905.80/1,364,858.70 = 732,758.80/x
  3. Step 3: Cross multiply
    909,905.80x = 1,364,858.70 × 732,758.80
  4. Step 4: Simplify right side
    909,905.80x = 1,000,112,223,181.56
  5. Step 5: Solve for x
    x = 1,000,112,223,181.56/909,905.80
  6. Step 6: Final answer
    x = 1,099,138.20

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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.