Home / 1,132,341.12-1,697,986.80-422,178.48

Finding the Fourth Proportional to 1,132,341.12, 1,697,986.80 and 422,178.48

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Solution

The fourth proportional to 1,132,341.12, 1,697,986.80 and 422,178.48 is: 633,072.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,341.12 : 1,697,986.80 = 422,178.48 : x
  2. Step 2: Convert to fraction form
    1,132,341.12/1,697,986.80 = 422,178.48/x
  3. Step 3: Cross multiply
    1,132,341.12x = 1,697,986.80 × 422,178.48
  4. Step 4: Simplify right side
    1,132,341.12x = 716,853,486,284.06
  5. Step 5: Solve for x
    x = 716,853,486,284.06/1,132,341.12
  6. Step 6: Final answer
    x = 633,072.03

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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.