Home / 1,190,467.66-1,785,768.90-380,923.24

Finding the Fourth Proportional to 1,190,467.66, 1,785,768.90 and 380,923.24

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Solution

The fourth proportional to 1,190,467.66, 1,785,768.90 and 380,923.24 is: 571,406.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,467.66 : 1,785,768.90 = 380,923.24 : x
  2. Step 2: Convert to fraction form
    1,190,467.66/1,785,768.90 = 380,923.24/x
  3. Step 3: Cross multiply
    1,190,467.66x = 1,785,768.90 × 380,923.24
  4. Step 4: Simplify right side
    1,190,467.66x = 680,240,875,279.24
  5. Step 5: Solve for x
    x = 680,240,875,279.24/1,190,467.66
  6. Step 6: Final answer
    x = 571,406.43

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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.