Home / 1,128,522.96-1,692,965.56-329,703.12

Finding the Fourth Proportional to 1,128,522.96, 1,692,965.56 and 329,703.12

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Solution

The fourth proportional to 1,128,522.96, 1,692,965.56 and 329,703.12 is: 494,607.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,522.96 : 1,692,965.56 = 329,703.12 : x
  2. Step 2: Convert to fraction form
    1,128,522.96/1,692,965.56 = 329,703.12/x
  3. Step 3: Cross multiply
    1,128,522.96x = 1,692,965.56 × 329,703.12
  4. Step 4: Simplify right side
    1,128,522.96x = 558,176,027,184.55
  5. Step 5: Solve for x
    x = 558,176,027,184.55/1,128,522.96
  6. Step 6: Final answer
    x = 494,607.60

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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.