Home / 1,179,304.84-1,627,485.78-642,760.84

Finding the Fourth Proportional to 1,179,304.84, 1,627,485.78 and 642,760.84

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Solution

The fourth proportional to 1,179,304.84, 1,627,485.78 and 642,760.84 is: 887,034.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,304.84 : 1,627,485.78 = 642,760.84 : x
  2. Step 2: Convert to fraction form
    1,179,304.84/1,627,485.78 = 642,760.84/x
  3. Step 3: Cross multiply
    1,179,304.84x = 1,627,485.78 × 642,760.84
  4. Step 4: Simplify right side
    1,179,304.84x = 1,046,084,127,040.86
  5. Step 5: Solve for x
    x = 1,046,084,127,040.86/1,179,304.84
  6. Step 6: Final answer
    x = 887,034.54

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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.