Home / 1,543,259.16-2,315,114.25-743,883.30

Finding the Fourth Proportional to 1,543,259.16, 2,315,114.25 and 743,883.30

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Solution

The fourth proportional to 1,543,259.16, 2,315,114.25 and 743,883.30 is: 1,115,933.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,259.16 : 2,315,114.25 = 743,883.30 : x
  2. Step 2: Convert to fraction form
    1,543,259.16/2,315,114.25 = 743,883.30/x
  3. Step 3: Cross multiply
    1,543,259.16x = 2,315,114.25 × 743,883.30
  4. Step 4: Simplify right side
    1,543,259.16x = 1,722,174,828,167.03
  5. Step 5: Solve for x
    x = 1,722,174,828,167.03/1,543,259.16
  6. Step 6: Final answer
    x = 1,115,933.65

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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.