Home / 1,450,807.85-2,002,074.90-806,211.47

Finding the Fourth Proportional to 1,450,807.85, 2,002,074.90 and 806,211.47

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Solution

The fourth proportional to 1,450,807.85, 2,002,074.90 and 806,211.47 is: 1,112,549.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,807.85 : 2,002,074.90 = 806,211.47 : x
  2. Step 2: Convert to fraction form
    1,450,807.85/2,002,074.90 = 806,211.47/x
  3. Step 3: Cross multiply
    1,450,807.85x = 2,002,074.90 × 806,211.47
  4. Step 4: Simplify right side
    1,450,807.85x = 1,614,095,748,179.10
  5. Step 5: Solve for x
    x = 1,614,095,748,179.10/1,450,807.85
  6. Step 6: Final answer
    x = 1,112,549.64

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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.