Home / 1,014,423.10-1,401,362.04-810,205.90

Finding the Fourth Proportional to 1,014,423.10, 1,401,362.04 and 810,205.90

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Solution

The fourth proportional to 1,014,423.10, 1,401,362.04 and 810,205.90 is: 1,119,248.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,423.10 : 1,401,362.04 = 810,205.90 : x
  2. Step 2: Convert to fraction form
    1,014,423.10/1,401,362.04 = 810,205.90/x
  3. Step 3: Cross multiply
    1,014,423.10x = 1,401,362.04 × 810,205.90
  4. Step 4: Simplify right side
    1,014,423.10x = 1,135,391,792,844.04
  5. Step 5: Solve for x
    x = 1,135,391,792,844.04/1,014,423.10
  6. Step 6: Final answer
    x = 1,119,248.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.