Home / 1,344,081.20-2,016,078.60-445,564.40

Finding the Fourth Proportional to 1,344,081.20, 2,016,078.60 and 445,564.40

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Solution

The fourth proportional to 1,344,081.20, 2,016,078.60 and 445,564.40 is: 668,332.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,081.20 : 2,016,078.60 = 445,564.40 : x
  2. Step 2: Convert to fraction form
    1,344,081.20/2,016,078.60 = 445,564.40/x
  3. Step 3: Cross multiply
    1,344,081.20x = 2,016,078.60 × 445,564.40
  4. Step 4: Simplify right side
    1,344,081.20x = 898,292,851,761.84
  5. Step 5: Solve for x
    x = 898,292,851,761.84/1,344,081.20
  6. Step 6: Final answer
    x = 668,332.28

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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.