Home / 1,128,162.92-1,692,402.60-329,503.64

Finding the Fourth Proportional to 1,128,162.92, 1,692,402.60 and 329,503.64

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Solution

The fourth proportional to 1,128,162.92, 1,692,402.60 and 329,503.64 is: 494,301.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,162.92 : 1,692,402.60 = 329,503.64 : x
  2. Step 2: Convert to fraction form
    1,128,162.92/1,692,402.60 = 329,503.64/x
  3. Step 3: Cross multiply
    1,128,162.92x = 1,692,402.60 × 329,503.64
  4. Step 4: Simplify right side
    1,128,162.92x = 557,652,817,045.46
  5. Step 5: Solve for x
    x = 557,652,817,045.46/1,128,162.92
  6. Step 6: Final answer
    x = 494,301.67

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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.