Home / 1,029,042.09-1,419,278.42-702,617.66

Finding the Fourth Proportional to 1,029,042.09, 1,419,278.42 and 702,617.66

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Solution

The fourth proportional to 1,029,042.09, 1,419,278.42 and 702,617.66 is: 969,066.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,042.09 : 1,419,278.42 = 702,617.66 : x
  2. Step 2: Convert to fraction form
    1,029,042.09/1,419,278.42 = 702,617.66/x
  3. Step 3: Cross multiply
    1,029,042.09x = 1,419,278.42 × 702,617.66
  4. Step 4: Simplify right side
    1,029,042.09x = 997,210,077,009.05
  5. Step 5: Solve for x
    x = 997,210,077,009.05/1,029,042.09
  6. Step 6: Final answer
    x = 969,066.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.