Home / 1,378,890.60-2,068,335.90-368,010.60

Finding the Fourth Proportional to 1,378,890.60, 2,068,335.90 and 368,010.60

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Solution

The fourth proportional to 1,378,890.60, 2,068,335.90 and 368,010.60 is: 552,015.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,890.60 : 2,068,335.90 = 368,010.60 : x
  2. Step 2: Convert to fraction form
    1,378,890.60/2,068,335.90 = 368,010.60/x
  3. Step 3: Cross multiply
    1,378,890.60x = 2,068,335.90 × 368,010.60
  4. Step 4: Simplify right side
    1,378,890.60x = 761,169,535,560.54
  5. Step 5: Solve for x
    x = 761,169,535,560.54/1,378,890.60
  6. Step 6: Final answer
    x = 552,015.90

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Double scale
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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.