Home / 1,204,954.81-1,662,854.60-661,080.71

Finding the Fourth Proportional to 1,204,954.81, 1,662,854.60 and 661,080.71

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Solution

The fourth proportional to 1,204,954.81, 1,662,854.60 and 661,080.71 is: 912,300.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,954.81 : 1,662,854.60 = 661,080.71 : x
  2. Step 2: Convert to fraction form
    1,204,954.81/1,662,854.60 = 661,080.71/x
  3. Step 3: Cross multiply
    1,204,954.81x = 1,662,854.60 × 661,080.71
  4. Step 4: Simplify right side
    1,204,954.81x = 1,099,281,099,594.77
  5. Step 5: Solve for x
    x = 1,099,281,099,594.77/1,204,954.81
  6. Step 6: Final answer
    x = 912,300.69

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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.