Home / 1,221,813.20-1,832,892.60-380,277.20

Finding the Fourth Proportional to 1,221,813.20, 1,832,892.60 and 380,277.20

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Solution

The fourth proportional to 1,221,813.20, 1,832,892.60 and 380,277.20 is: 570,469.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,813.20 : 1,832,892.60 = 380,277.20 : x
  2. Step 2: Convert to fraction form
    1,221,813.20/1,832,892.60 = 380,277.20/x
  3. Step 3: Cross multiply
    1,221,813.20x = 1,832,892.60 × 380,277.20
  4. Step 4: Simplify right side
    1,221,813.20x = 697,007,265,828.72
  5. Step 5: Solve for x
    x = 697,007,265,828.72/1,221,813.20
  6. Step 6: Final answer
    x = 570,469.58

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1.5x scale

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.