Home / 1,073,176.22-1,480,660.22-643,299.50

Finding the Fourth Proportional to 1,073,176.22, 1,480,660.22 and 643,299.50

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Solution

The fourth proportional to 1,073,176.22, 1,480,660.22 and 643,299.50 is: 887,559.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,176.22 : 1,480,660.22 = 643,299.50 : x
  2. Step 2: Convert to fraction form
    1,073,176.22/1,480,660.22 = 643,299.50/x
  3. Step 3: Cross multiply
    1,073,176.22x = 1,480,660.22 × 643,299.50
  4. Step 4: Simplify right side
    1,073,176.22x = 952,507,979,195.89
  5. Step 5: Solve for x
    x = 952,507,979,195.89/1,073,176.22
  6. Step 6: Final answer
    x = 887,559.71

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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.