Home / 1,230,962.14-1,699,011.17-721,828.54

Finding the Fourth Proportional to 1,230,962.14, 1,699,011.17 and 721,828.54

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Solution

The fourth proportional to 1,230,962.14, 1,699,011.17 and 721,828.54 is: 996,289.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,962.14 : 1,699,011.17 = 721,828.54 : x
  2. Step 2: Convert to fraction form
    1,230,962.14/1,699,011.17 = 721,828.54/x
  3. Step 3: Cross multiply
    1,230,962.14x = 1,699,011.17 × 721,828.54
  4. Step 4: Simplify right side
    1,230,962.14x = 1,226,394,752,284.79
  5. Step 5: Solve for x
    x = 1,226,394,752,284.79/1,230,962.14
  6. Step 6: Final answer
    x = 996,289.58

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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.