Home / 1,289,743.90-1,934,613.56-343,114.62

Finding the Fourth Proportional to 1,289,743.90, 1,934,613.56 and 343,114.62

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Solution

The fourth proportional to 1,289,743.90, 1,934,613.56 and 343,114.62 is: 514,671.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,743.90 : 1,934,613.56 = 343,114.62 : x
  2. Step 2: Convert to fraction form
    1,289,743.90/1,934,613.56 = 343,114.62/x
  3. Step 3: Cross multiply
    1,289,743.90x = 1,934,613.56 × 343,114.62
  4. Step 4: Simplify right side
    1,289,743.90x = 663,794,196,486.25
  5. Step 5: Solve for x
    x = 663,794,196,486.25/1,289,743.90
  6. Step 6: Final answer
    x = 514,671.32

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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.