Home / 976,109.10-1,464,163.65-858,011.10

Finding the Fourth Proportional to 976,109.10, 1,464,163.65 and 858,011.10

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Solution

The fourth proportional to 976,109.10, 1,464,163.65 and 858,011.10 is: 1,287,016.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,109.10 : 1,464,163.65 = 858,011.10 : x
  2. Step 2: Convert to fraction form
    976,109.10/1,464,163.65 = 858,011.10/x
  3. Step 3: Cross multiply
    976,109.10x = 1,464,163.65 × 858,011.10
  4. Step 4: Simplify right side
    976,109.10x = 1,256,268,663,916.51
  5. Step 5: Solve for x
    x = 1,256,268,663,916.51/976,109.10
  6. Step 6: Final answer
    x = 1,287,016.65

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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.