Home / 976,027.60-1,462,097.40-859,128.40

Finding the Fourth Proportional to 976,027.60, 1,462,097.40 and 859,128.40

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Solution

The fourth proportional to 976,027.60, 1,462,097.40 and 859,128.40 is: 1,286,981.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,027.60 : 1,462,097.40 = 859,128.40 : x
  2. Step 2: Convert to fraction form
    976,027.60/1,462,097.40 = 859,128.40/x
  3. Step 3: Cross multiply
    976,027.60x = 1,462,097.40 × 859,128.40
  4. Step 4: Simplify right side
    976,027.60x = 1,256,129,399,906.16
  5. Step 5: Solve for x
    x = 1,256,129,399,906.16/976,027.60
  6. Step 6: Final answer
    x = 1,286,981.43

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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.