Home / 1,100,311.80-1,650,467.70-469,289.40

Finding the Fourth Proportional to 1,100,311.80, 1,650,467.70 and 469,289.40

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Solution

The fourth proportional to 1,100,311.80, 1,650,467.70 and 469,289.40 is: 703,934.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,311.80 : 1,650,467.70 = 469,289.40 : x
  2. Step 2: Convert to fraction form
    1,100,311.80/1,650,467.70 = 469,289.40/x
  3. Step 3: Cross multiply
    1,100,311.80x = 1,650,467.70 × 469,289.40
  4. Step 4: Simplify right side
    1,100,311.80x = 774,546,996,652.38
  5. Step 5: Solve for x
    x = 774,546,996,652.38/1,100,311.80
  6. Step 6: Final answer
    x = 703,934.10

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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.