Home / 1,078,746.80-1,616,824.20-447,335.60

Finding the Fourth Proportional to 1,078,746.80, 1,616,824.20 and 447,335.60

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Solution

The fourth proportional to 1,078,746.80, 1,616,824.20 and 447,335.60 is: 670,465.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,746.80 : 1,616,824.20 = 447,335.60 : x
  2. Step 2: Convert to fraction form
    1,078,746.80/1,616,824.20 = 447,335.60/x
  3. Step 3: Cross multiply
    1,078,746.80x = 1,616,824.20 × 447,335.60
  4. Step 4: Simplify right side
    1,078,746.80x = 723,263,023,601.52
  5. Step 5: Solve for x
    x = 723,263,023,601.52/1,078,746.80
  6. Step 6: Final answer
    x = 670,465.97

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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.