Home / 1,340,255.70-2,010,383.55-342,983.70

Finding the Fourth Proportional to 1,340,255.70, 2,010,383.55 and 342,983.70

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Solution

The fourth proportional to 1,340,255.70, 2,010,383.55 and 342,983.70 is: 514,475.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,255.70 : 2,010,383.55 = 342,983.70 : x
  2. Step 2: Convert to fraction form
    1,340,255.70/2,010,383.55 = 342,983.70/x
  3. Step 3: Cross multiply
    1,340,255.70x = 2,010,383.55 × 342,983.70
  4. Step 4: Simplify right side
    1,340,255.70x = 689,528,788,398.14
  5. Step 5: Solve for x
    x = 689,528,788,398.14/1,340,255.70
  6. Step 6: Final answer
    x = 514,475.55

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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.