Home / 1,213,812.40-1,820,718.60-582,401.20

Finding the Fourth Proportional to 1,213,812.40, 1,820,718.60 and 582,401.20

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Solution

The fourth proportional to 1,213,812.40, 1,820,718.60 and 582,401.20 is: 873,601.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,812.40 : 1,820,718.60 = 582,401.20 : x
  2. Step 2: Convert to fraction form
    1,213,812.40/1,820,718.60 = 582,401.20/x
  3. Step 3: Cross multiply
    1,213,812.40x = 1,820,718.60 × 582,401.20
  4. Step 4: Simplify right side
    1,213,812.40x = 1,060,388,697,502.32
  5. Step 5: Solve for x
    x = 1,060,388,697,502.32/1,213,812.40
  6. Step 6: Final answer
    x = 873,601.80

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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.