Home / 1,207,830.03-1,666,842.75-664,007.37

Finding the Fourth Proportional to 1,207,830.03, 1,666,842.75 and 664,007.37

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Solution

The fourth proportional to 1,207,830.03, 1,666,842.75 and 664,007.37 is: 916,350.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,830.03 : 1,666,842.75 = 664,007.37 : x
  2. Step 2: Convert to fraction form
    1,207,830.03/1,666,842.75 = 664,007.37/x
  3. Step 3: Cross multiply
    1,207,830.03x = 1,666,842.75 × 664,007.37
  4. Step 4: Simplify right side
    1,207,830.03x = 1,106,795,870,631.07
  5. Step 5: Solve for x
    x = 1,106,795,870,631.07/1,207,830.03
  6. Step 6: Final answer
    x = 916,350.68

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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.