Home / 1,341,372.34-2,012,258.58-442,909

Finding the Fourth Proportional to 1,341,372.34, 2,012,258.58 and 442,909

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Solution

The fourth proportional to 1,341,372.34, 2,012,258.58 and 442,909 is: 664,429.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,372.34 : 2,012,258.58 = 442,909 : x
  2. Step 2: Convert to fraction form
    1,341,372.34/2,012,258.58 = 442,909/x
  3. Step 3: Cross multiply
    1,341,372.34x = 2,012,258.58 × 442,909
  4. Step 4: Simplify right side
    1,341,372.34x = 891,247,435,409.22
  5. Step 5: Solve for x
    x = 891,247,435,409.22/1,341,372.34
  6. Step 6: Final answer
    x = 664,429.56

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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.