Home / 1,508,463.10-2,081,644.95-820,125.10

Finding the Fourth Proportional to 1,508,463.10, 2,081,644.95 and 820,125.10

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Solution

The fourth proportional to 1,508,463.10, 2,081,644.95 and 820,125.10 is: 1,131,754.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,463.10 : 2,081,644.95 = 820,125.10 : x
  2. Step 2: Convert to fraction form
    1,508,463.10/2,081,644.95 = 820,125.10/x
  3. Step 3: Cross multiply
    1,508,463.10x = 2,081,644.95 × 820,125.10
  4. Step 4: Simplify right side
    1,508,463.10x = 1,707,209,272,783.25
  5. Step 5: Solve for x
    x = 1,707,209,272,783.25/1,508,463.10
  6. Step 6: Final answer
    x = 1,131,754.08

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Double scale
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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.