Home / 1,299,860.73-1,794,055.77-870,888.78

Finding the Fourth Proportional to 1,299,860.73, 1,794,055.77 and 870,888.78

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Solution

The fourth proportional to 1,299,860.73, 1,794,055.77 and 870,888.78 is: 1,201,992.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,860.73 : 1,794,055.77 = 870,888.78 : x
  2. Step 2: Convert to fraction form
    1,299,860.73/1,794,055.77 = 870,888.78/x
  3. Step 3: Cross multiply
    1,299,860.73x = 1,794,055.77 × 870,888.78
  4. Step 4: Simplify right side
    1,299,860.73x = 1,562,423,040,787.26
  5. Step 5: Solve for x
    x = 1,562,423,040,787.26/1,299,860.73
  6. Step 6: Final answer
    x = 1,201,992.65

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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.