Home / 976,830.60-1,463,301.90-859,931.40

Finding the Fourth Proportional to 976,830.60, 1,463,301.90 and 859,931.40

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Solution

The fourth proportional to 976,830.60, 1,463,301.90 and 859,931.40 is: 1,288,185.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,830.60 : 1,463,301.90 = 859,931.40 : x
  2. Step 2: Convert to fraction form
    976,830.60/1,463,301.90 = 859,931.40/x
  3. Step 3: Cross multiply
    976,830.60x = 1,463,301.90 × 859,931.40
  4. Step 4: Simplify right side
    976,830.60x = 1,258,339,251,489.66
  5. Step 5: Solve for x
    x = 1,258,339,251,489.66/976,830.60
  6. Step 6: Final answer
    x = 1,288,185.74

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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.