Home / 1,128,146.04-1,692,224.82-380,198.52

Finding the Fourth Proportional to 1,128,146.04, 1,692,224.82 and 380,198.52

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Solution

The fourth proportional to 1,128,146.04, 1,692,224.82 and 380,198.52 is: 570,299.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,146.04 : 1,692,224.82 = 380,198.52 : x
  2. Step 2: Convert to fraction form
    1,128,146.04/1,692,224.82 = 380,198.52/x
  3. Step 3: Cross multiply
    1,128,146.04x = 1,692,224.82 × 380,198.52
  4. Step 4: Simplify right side
    1,128,146.04x = 643,381,372,071.27
  5. Step 5: Solve for x
    x = 643,381,372,071.27/1,128,146.04
  6. Step 6: Final answer
    x = 570,299.72

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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.