Home / 1,213,622.40-1,822,401.90-816,025.80

Finding the Fourth Proportional to 1,213,622.40, 1,822,401.90 and 816,025.80

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Solution

The fourth proportional to 1,213,622.40, 1,822,401.90 and 816,025.80 is: 1,225,362.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,622.40 : 1,822,401.90 = 816,025.80 : x
  2. Step 2: Convert to fraction form
    1,213,622.40/1,822,401.90 = 816,025.80/x
  3. Step 3: Cross multiply
    1,213,622.40x = 1,822,401.90 × 816,025.80
  4. Step 4: Simplify right side
    1,213,622.40x = 1,487,126,968,369.02
  5. Step 5: Solve for x
    x = 1,487,126,968,369.02/1,213,622.40
  6. Step 6: Final answer
    x = 1,225,362.16

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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.