Home / 1,190,469.16-1,785,771.15-380,924.74

Finding the Fourth Proportional to 1,190,469.16, 1,785,771.15 and 380,924.74

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Solution

The fourth proportional to 1,190,469.16, 1,785,771.15 and 380,924.74 is: 571,408.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,469.16 : 1,785,771.15 = 380,924.74 : x
  2. Step 2: Convert to fraction form
    1,190,469.16/1,785,771.15 = 380,924.74/x
  3. Step 3: Cross multiply
    1,190,469.16x = 1,785,771.15 × 380,924.74
  4. Step 4: Simplify right side
    1,190,469.16x = 680,244,411,013.25
  5. Step 5: Solve for x
    x = 680,244,411,013.25/1,190,469.16
  6. Step 6: Final answer
    x = 571,408.68

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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.