Home / 976,106.60-1,462,215.90-859,207.40

Finding the Fourth Proportional to 976,106.60, 1,462,215.90 and 859,207.40

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Solution

The fourth proportional to 976,106.60, 1,462,215.90 and 859,207.40 is: 1,287,099.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,106.60 : 1,462,215.90 = 859,207.40 : x
  2. Step 2: Convert to fraction form
    976,106.60/1,462,215.90 = 859,207.40/x
  3. Step 3: Cross multiply
    976,106.60x = 1,462,215.90 × 859,207.40
  4. Step 4: Simplify right side
    976,106.60x = 1,256,346,721,677.66
  5. Step 5: Solve for x
    x = 1,256,346,721,677.66/976,106.60
  6. Step 6: Final answer
    x = 1,287,099.91

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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.