Home / 1,049,480.80-1,574,221.20-384,546.40

Finding the Fourth Proportional to 1,049,480.80, 1,574,221.20 and 384,546.40

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Solution

The fourth proportional to 1,049,480.80, 1,574,221.20 and 384,546.40 is: 576,819.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,480.80 : 1,574,221.20 = 384,546.40 : x
  2. Step 2: Convert to fraction form
    1,049,480.80/1,574,221.20 = 384,546.40/x
  3. Step 3: Cross multiply
    1,049,480.80x = 1,574,221.20 × 384,546.40
  4. Step 4: Simplify right side
    1,049,480.80x = 605,361,095,263.68
  5. Step 5: Solve for x
    x = 605,361,095,263.68/1,049,480.80
  6. Step 6: Final answer
    x = 576,819.60

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Double scale
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Similar ratio
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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.