Home / 1,613,430.60-2,414,897.10-1,256,512.20

Finding the Fourth Proportional to 1,613,430.60, 2,414,897.10 and 1,256,512.20

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Solution

The fourth proportional to 1,613,430.60, 2,414,897.10 and 1,256,512.20 is: 1,880,680.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,430.60 : 2,414,897.10 = 1,256,512.20 : x
  2. Step 2: Convert to fraction form
    1,613,430.60/2,414,897.10 = 1,256,512.20/x
  3. Step 3: Cross multiply
    1,613,430.60x = 2,414,897.10 × 1,256,512.20
  4. Step 4: Simplify right side
    1,613,430.60x = 3,034,347,667,894.62
  5. Step 5: Solve for x
    x = 3,034,347,667,894.62/1,613,430.60
  6. Step 6: Final answer
    x = 1,880,680.62

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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.