Home / 1,491,157.22-2,057,855.20-846,637.38

Finding the Fourth Proportional to 1,491,157.22, 2,057,855.20 and 846,637.38

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Solution

The fourth proportional to 1,491,157.22, 2,057,855.20 and 846,637.38 is: 1,168,392.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,157.22 : 2,057,855.20 = 846,637.38 : x
  2. Step 2: Convert to fraction form
    1,491,157.22/2,057,855.20 = 846,637.38/x
  3. Step 3: Cross multiply
    1,491,157.22x = 2,057,855.20 × 846,637.38
  4. Step 4: Simplify right side
    1,491,157.22x = 1,742,257,134,947.38
  5. Step 5: Solve for x
    x = 1,742,257,134,947.38/1,491,157.22
  6. Step 6: Final answer
    x = 1,168,392.65

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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.