Home / 1,508,869.78-2,082,265.53-864,346.18

Finding the Fourth Proportional to 1,508,869.78, 2,082,265.53 and 864,346.18

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Solution

The fourth proportional to 1,508,869.78, 2,082,265.53 and 864,346.18 is: 1,192,812.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,869.78 : 2,082,265.53 = 864,346.18 : x
  2. Step 2: Convert to fraction form
    1,508,869.78/2,082,265.53 = 864,346.18/x
  3. Step 3: Cross multiply
    1,508,869.78x = 2,082,265.53 × 864,346.18
  4. Step 4: Simplify right side
    1,508,869.78x = 1,799,798,256,601.18
  5. Step 5: Solve for x
    x = 1,799,798,256,601.18/1,508,869.78
  6. Step 6: Final answer
    x = 1,192,812.18

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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.