Home / 1,786,129.79-2,464,876.44-970,339.91

Finding the Fourth Proportional to 1,786,129.79, 2,464,876.44 and 970,339.91

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Solution

The fourth proportional to 1,786,129.79, 2,464,876.44 and 970,339.91 is: 1,339,078.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,129.79 : 2,464,876.44 = 970,339.91 : x
  2. Step 2: Convert to fraction form
    1,786,129.79/2,464,876.44 = 970,339.91/x
  3. Step 3: Cross multiply
    1,786,129.79x = 2,464,876.44 × 970,339.91
  4. Step 4: Simplify right side
    1,786,129.79x = 2,391,767,970,626.34
  5. Step 5: Solve for x
    x = 2,391,767,970,626.34/1,786,129.79
  6. Step 6: Final answer
    x = 1,339,078.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.