Home / 1,643,195.76-2,267,568.29-918,048.90

Finding the Fourth Proportional to 1,643,195.76, 2,267,568.29 and 918,048.90

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Solution

The fourth proportional to 1,643,195.76, 2,267,568.29 and 918,048.90 is: 1,266,884.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,195.76 : 2,267,568.29 = 918,048.90 : x
  2. Step 2: Convert to fraction form
    1,643,195.76/2,267,568.29 = 918,048.90/x
  3. Step 3: Cross multiply
    1,643,195.76x = 2,267,568.29 × 918,048.90
  4. Step 4: Simplify right side
    1,643,195.76x = 2,081,738,576,604.50
  5. Step 5: Solve for x
    x = 2,081,738,576,604.50/1,643,195.76
  6. Step 6: Final answer
    x = 1,266,884.10

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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.