Home / 809,325.10-1,213,987.65-741,090.70

Finding the Fourth Proportional to 809,325.10, 1,213,987.65 and 741,090.70

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Solution

The fourth proportional to 809,325.10, 1,213,987.65 and 741,090.70 is: 1,111,636.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,325.10 : 1,213,987.65 = 741,090.70 : x
  2. Step 2: Convert to fraction form
    809,325.10/1,213,987.65 = 741,090.70/x
  3. Step 3: Cross multiply
    809,325.10x = 1,213,987.65 × 741,090.70
  4. Step 4: Simplify right side
    809,325.10x = 899,674,957,329.86
  5. Step 5: Solve for x
    x = 899,674,957,329.86/809,325.10
  6. Step 6: Final answer
    x = 1,111,636.05

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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.