Home / 1,128,160.05-1,692,358.72-329,443.86

Finding the Fourth Proportional to 1,128,160.05, 1,692,358.72 and 329,443.86

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Solution

The fourth proportional to 1,128,160.05, 1,692,358.72 and 329,443.86 is: 494,200.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,160.05 : 1,692,358.72 = 329,443.86 : x
  2. Step 2: Convert to fraction form
    1,128,160.05/1,692,358.72 = 329,443.86/x
  3. Step 3: Cross multiply
    1,128,160.05x = 1,692,358.72 × 329,443.86
  4. Step 4: Simplify right side
    1,128,160.05x = 557,537,185,224.68
  5. Step 5: Solve for x
    x = 557,537,185,224.68/1,128,160.05
  6. Step 6: Final answer
    x = 494,200.43

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1.5x scale

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.