Home / 1,074,312.40-1,608,844.20-806,623.60

Finding the Fourth Proportional to 1,074,312.40, 1,608,844.20 and 806,623.60

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Solution

The fourth proportional to 1,074,312.40, 1,608,844.20 and 806,623.60 is: 1,207,964.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,312.40 : 1,608,844.20 = 806,623.60 : x
  2. Step 2: Convert to fraction form
    1,074,312.40/1,608,844.20 = 806,623.60/x
  3. Step 3: Cross multiply
    1,074,312.40x = 1,608,844.20 × 806,623.60
  4. Step 4: Simplify right side
    1,074,312.40x = 1,297,731,700,443.12
  5. Step 5: Solve for x
    x = 1,297,731,700,443.12/1,074,312.40
  6. Step 6: Final answer
    x = 1,207,964.93

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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.