Home / 1,543,455.72-2,315,270.97-478,649.16

Finding the Fourth Proportional to 1,543,455.72, 2,315,270.97 and 478,649.16

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Solution

The fourth proportional to 1,543,455.72, 2,315,270.97 and 478,649.16 is: 718,000.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,455.72 : 2,315,270.97 = 478,649.16 : x
  2. Step 2: Convert to fraction form
    1,543,455.72/2,315,270.97 = 478,649.16/x
  3. Step 3: Cross multiply
    1,543,455.72x = 2,315,270.97 × 478,649.16
  4. Step 4: Simplify right side
    1,543,455.72x = 1,108,202,504,962.89
  5. Step 5: Solve for x
    x = 1,108,202,504,962.89/1,543,455.72
  6. Step 6: Final answer
    x = 718,000.84

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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.