Home / 1,145,260.26-1,717,890.39-435,120.30

Finding the Fourth Proportional to 1,145,260.26, 1,717,890.39 and 435,120.30

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Solution

The fourth proportional to 1,145,260.26, 1,717,890.39 and 435,120.30 is: 652,680.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,260.26 : 1,717,890.39 = 435,120.30 : x
  2. Step 2: Convert to fraction form
    1,145,260.26/1,717,890.39 = 435,120.30/x
  3. Step 3: Cross multiply
    1,145,260.26x = 1,717,890.39 × 435,120.30
  4. Step 4: Simplify right side
    1,145,260.26x = 747,488,981,863.92
  5. Step 5: Solve for x
    x = 747,488,981,863.92/1,145,260.26
  6. Step 6: Final answer
    x = 652,680.45

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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.