Home / 1,508,460.60-2,081,641.50-820,122.60

Finding the Fourth Proportional to 1,508,460.60, 2,081,641.50 and 820,122.60

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Solution

The fourth proportional to 1,508,460.60, 2,081,641.50 and 820,122.60 is: 1,131,750.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,460.60 : 2,081,641.50 = 820,122.60 : x
  2. Step 2: Convert to fraction form
    1,508,460.60/2,081,641.50 = 820,122.60/x
  3. Step 3: Cross multiply
    1,508,460.60x = 2,081,641.50 × 820,122.60
  4. Step 4: Simplify right side
    1,508,460.60x = 1,707,201,239,247.90
  5. Step 5: Solve for x
    x = 1,707,201,239,247.90/1,508,460.60
  6. Step 6: Final answer
    x = 1,131,750.63

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Double scale
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1.5x scale

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.