Home / 1,119,963.74-1,679,719.61-321,030.77

Finding the Fourth Proportional to 1,119,963.74, 1,679,719.61 and 321,030.77

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Solution

The fourth proportional to 1,119,963.74, 1,679,719.61 and 321,030.77 is: 481,481.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,963.74 : 1,679,719.61 = 321,030.77 : x
  2. Step 2: Convert to fraction form
    1,119,963.74/1,679,719.61 = 321,030.77/x
  3. Step 3: Cross multiply
    1,119,963.74x = 1,679,719.61 × 321,030.77
  4. Step 4: Simplify right side
    1,119,963.74x = 539,241,672,186.38
  5. Step 5: Solve for x
    x = 539,241,672,186.38/1,119,963.74
  6. Step 6: Final answer
    x = 481,481.37

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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.