Home / 867,638.20-1,301,457.30-762,662.20

Finding the Fourth Proportional to 867,638.20, 1,301,457.30 and 762,662.20

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Solution

The fourth proportional to 867,638.20, 1,301,457.30 and 762,662.20 is: 1,143,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,638.20 : 1,301,457.30 = 762,662.20 : x
  2. Step 2: Convert to fraction form
    867,638.20/1,301,457.30 = 762,662.20/x
  3. Step 3: Cross multiply
    867,638.20x = 1,301,457.30 × 762,662.20
  4. Step 4: Simplify right side
    867,638.20x = 992,572,287,624.06
  5. Step 5: Solve for x
    x = 992,572,287,624.06/867,638.20
  6. Step 6: Final answer
    x = 1,143,993.30

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Similar ratio
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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.