Home / 1,199,390.52-1,798,474.50-400,384.92

Finding the Fourth Proportional to 1,199,390.52, 1,798,474.50 and 400,384.92

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Solution

The fourth proportional to 1,199,390.52, 1,798,474.50 and 400,384.92 is: 600,373.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,390.52 : 1,798,474.50 = 400,384.92 : x
  2. Step 2: Convert to fraction form
    1,199,390.52/1,798,474.50 = 400,384.92/x
  3. Step 3: Cross multiply
    1,199,390.52x = 1,798,474.50 × 400,384.92
  4. Step 4: Simplify right side
    1,199,390.52x = 720,082,068,804.54
  5. Step 5: Solve for x
    x = 720,082,068,804.54/1,199,390.52
  6. Step 6: Final answer
    x = 600,373.32

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Double scale
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Similar ratio
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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.