Home / 1,613,421.60-2,414,883.60-1,256,503.20

Finding the Fourth Proportional to 1,613,421.60, 2,414,883.60 and 1,256,503.20

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Solution

The fourth proportional to 1,613,421.60, 2,414,883.60 and 1,256,503.20 is: 1,880,667.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,421.60 : 2,414,883.60 = 1,256,503.20 : x
  2. Step 2: Convert to fraction form
    1,613,421.60/2,414,883.60 = 1,256,503.20/x
  3. Step 3: Cross multiply
    1,613,421.60x = 2,414,883.60 × 1,256,503.20
  4. Step 4: Simplify right side
    1,613,421.60x = 3,034,308,971,027.52
  5. Step 5: Solve for x
    x = 3,034,308,971,027.52/1,613,421.60
  6. Step 6: Final answer
    x = 1,880,667.13

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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.