Home / 1,176,969.89-1,765,444.51-779,389.09

Finding the Fourth Proportional to 1,176,969.89, 1,765,444.51 and 779,389.09

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Solution

The fourth proportional to 1,176,969.89, 1,765,444.51 and 779,389.09 is: 1,169,076.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,969.89 : 1,765,444.51 = 779,389.09 : x
  2. Step 2: Convert to fraction form
    1,176,969.89/1,765,444.51 = 779,389.09/x
  3. Step 3: Cross multiply
    1,176,969.89x = 1,765,444.51 × 779,389.09
  4. Step 4: Simplify right side
    1,176,969.89x = 1,375,968,186,655.02
  5. Step 5: Solve for x
    x = 1,375,968,186,655.02/1,176,969.89
  6. Step 6: Final answer
    x = 1,169,076.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.