Home / 1,128,625.29-1,692,905.13-329,925.60

Finding the Fourth Proportional to 1,128,625.29, 1,692,905.13 and 329,925.60

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Solution

The fourth proportional to 1,128,625.29, 1,692,905.13 and 329,925.60 is: 494,878.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,625.29 : 1,692,905.13 = 329,925.60 : x
  2. Step 2: Convert to fraction form
    1,128,625.29/1,692,905.13 = 329,925.60/x
  3. Step 3: Cross multiply
    1,128,625.29x = 1,692,905.13 × 329,925.60
  4. Step 4: Simplify right side
    1,128,625.29x = 558,532,740,758.33
  5. Step 5: Solve for x
    x = 558,532,740,758.33/1,128,625.29
  6. Step 6: Final answer
    x = 494,878.81

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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.