Home / 1,179,071.60-1,768,951.80-380,335.40

Finding the Fourth Proportional to 1,179,071.60, 1,768,951.80 and 380,335.40

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Solution

The fourth proportional to 1,179,071.60, 1,768,951.80 and 380,335.40 is: 570,614.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,071.60 : 1,768,951.80 = 380,335.40 : x
  2. Step 2: Convert to fraction form
    1,179,071.60/1,768,951.80 = 380,335.40/x
  3. Step 3: Cross multiply
    1,179,071.60x = 1,768,951.80 × 380,335.40
  4. Step 4: Simplify right side
    1,179,071.60x = 672,794,990,433.72
  5. Step 5: Solve for x
    x = 672,794,990,433.72/1,179,071.60
  6. Step 6: Final answer
    x = 570,614.19

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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.