Home / 1,340,195.63-2,010,293.44-342,923.63

Finding the Fourth Proportional to 1,340,195.63, 2,010,293.44 and 342,923.63

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Solution

The fourth proportional to 1,340,195.63, 2,010,293.44 and 342,923.63 is: 514,385.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,195.63 : 2,010,293.44 = 342,923.63 : x
  2. Step 2: Convert to fraction form
    1,340,195.63/2,010,293.44 = 342,923.63/x
  3. Step 3: Cross multiply
    1,340,195.63x = 2,010,293.44 × 342,923.63
  4. Step 4: Simplify right side
    1,340,195.63x = 689,377,112,901.21
  5. Step 5: Solve for x
    x = 689,377,112,901.21/1,340,195.63
  6. Step 6: Final answer
    x = 514,385.44

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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.