Home / 1,138,020.76-1,707,118.26-339,241.24

Finding the Fourth Proportional to 1,138,020.76, 1,707,118.26 and 339,241.24

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Solution

The fourth proportional to 1,138,020.76, 1,707,118.26 and 339,241.24 is: 508,887.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,020.76 : 1,707,118.26 = 339,241.24 : x
  2. Step 2: Convert to fraction form
    1,138,020.76/1,707,118.26 = 339,241.24/x
  3. Step 3: Cross multiply
    1,138,020.76x = 1,707,118.26 × 339,241.24
  4. Step 4: Simplify right side
    1,138,020.76x = 579,124,915,349.04
  5. Step 5: Solve for x
    x = 579,124,915,349.04/1,138,020.76
  6. Step 6: Final answer
    x = 508,887.83

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Double scale
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1.5x scale

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.