Home / 1,543,722.60-2,315,583.90-478,872.30

Finding the Fourth Proportional to 1,543,722.60, 2,315,583.90 and 478,872.30

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Solution

The fourth proportional to 1,543,722.60, 2,315,583.90 and 478,872.30 is: 718,308.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,722.60 : 2,315,583.90 = 478,872.30 : x
  2. Step 2: Convert to fraction form
    1,543,722.60/2,315,583.90 = 478,872.30/x
  3. Step 3: Cross multiply
    1,543,722.60x = 2,315,583.90 × 478,872.30
  4. Step 4: Simplify right side
    1,543,722.60x = 1,108,868,988,035.97
  5. Step 5: Solve for x
    x = 1,108,868,988,035.97/1,543,722.60
  6. Step 6: Final answer
    x = 718,308.45

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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.