Home / 1,029,917.88-1,421,654.49-702,996.89

Finding the Fourth Proportional to 1,029,917.88, 1,421,654.49 and 702,996.89

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Solution

The fourth proportional to 1,029,917.88, 1,421,654.49 and 702,996.89 is: 970,386.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,917.88 : 1,421,654.49 = 702,996.89 : x
  2. Step 2: Convert to fraction form
    1,029,917.88/1,421,654.49 = 702,996.89/x
  3. Step 3: Cross multiply
    1,029,917.88x = 1,421,654.49 × 702,996.89
  4. Step 4: Simplify right side
    1,029,917.88x = 999,418,678,016.26
  5. Step 5: Solve for x
    x = 999,418,678,016.26/1,029,917.88
  6. Step 6: Final answer
    x = 970,386.76

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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.