Home / 1,508,462.10-2,081,643.57-820,124.10

Finding the Fourth Proportional to 1,508,462.10, 2,081,643.57 and 820,124.10

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Solution

The fourth proportional to 1,508,462.10, 2,081,643.57 and 820,124.10 is: 1,131,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,462.10 : 2,081,643.57 = 820,124.10 : x
  2. Step 2: Convert to fraction form
    1,508,462.10/2,081,643.57 = 820,124.10/x
  3. Step 3: Cross multiply
    1,508,462.10x = 2,081,643.57 × 820,124.10
  4. Step 4: Simplify right side
    1,508,462.10x = 1,707,206,059,367.04
  5. Step 5: Solve for x
    x = 1,707,206,059,367.04/1,508,462.10
  6. Step 6: Final answer
    x = 1,131,752.70

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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.