Home / 1,100,820.60-1,651,230.90-435,972.60

Finding the Fourth Proportional to 1,100,820.60, 1,651,230.90 and 435,972.60

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Solution

The fourth proportional to 1,100,820.60, 1,651,230.90 and 435,972.60 is: 653,958.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,820.60 : 1,651,230.90 = 435,972.60 : x
  2. Step 2: Convert to fraction form
    1,100,820.60/1,651,230.90 = 435,972.60/x
  3. Step 3: Cross multiply
    1,100,820.60x = 1,651,230.90 × 435,972.60
  4. Step 4: Simplify right side
    1,100,820.60x = 719,891,428,673.34
  5. Step 5: Solve for x
    x = 719,891,428,673.34/1,100,820.60
  6. Step 6: Final answer
    x = 653,958.90

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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.