Home / 1,124,082.31-1,551,195.15-640,803.10

Finding the Fourth Proportional to 1,124,082.31, 1,551,195.15 and 640,803.10

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Solution

The fourth proportional to 1,124,082.31, 1,551,195.15 and 640,803.10 is: 884,286.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,082.31 : 1,551,195.15 = 640,803.10 : x
  2. Step 2: Convert to fraction form
    1,124,082.31/1,551,195.15 = 640,803.10/x
  3. Step 3: Cross multiply
    1,124,082.31x = 1,551,195.15 × 640,803.10
  4. Step 4: Simplify right side
    1,124,082.31x = 994,010,660,824.97
  5. Step 5: Solve for x
    x = 994,010,660,824.97/1,124,082.31
  6. Step 6: Final answer
    x = 884,286.37

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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.