Home / 976,815.60-1,463,279.40-859,916.40

Finding the Fourth Proportional to 976,815.60, 1,463,279.40 and 859,916.40

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Solution

The fourth proportional to 976,815.60, 1,463,279.40 and 859,916.40 is: 1,288,163.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,815.60 : 1,463,279.40 = 859,916.40 : x
  2. Step 2: Convert to fraction form
    976,815.60/1,463,279.40 = 859,916.40/x
  3. Step 3: Cross multiply
    976,815.60x = 1,463,279.40 × 859,916.40
  4. Step 4: Simplify right side
    976,815.60x = 1,258,297,953,842.16
  5. Step 5: Solve for x
    x = 1,258,297,953,842.16/976,815.60
  6. Step 6: Final answer
    x = 1,288,163.25

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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.