Home / 1,264,082.77-1,896,116.86-422,627.23

Finding the Fourth Proportional to 1,264,082.77, 1,896,116.86 and 422,627.23

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Solution

The fourth proportional to 1,264,082.77, 1,896,116.86 and 422,627.23 is: 633,938.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,082.77 : 1,896,116.86 = 422,627.23 : x
  2. Step 2: Convert to fraction form
    1,264,082.77/1,896,116.86 = 422,627.23/x
  3. Step 3: Cross multiply
    1,264,082.77x = 1,896,116.86 × 422,627.23
  4. Step 4: Simplify right side
    1,264,082.77x = 801,350,616,298.10
  5. Step 5: Solve for x
    x = 801,350,616,298.10/1,264,082.77
  6. Step 6: Final answer
    x = 633,938.41

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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.