Home / 1,478,314.80-2,040,070.05-799,251.30

Finding the Fourth Proportional to 1,478,314.80, 2,040,070.05 and 799,251.30

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Solution

The fourth proportional to 1,478,314.80, 2,040,070.05 and 799,251.30 is: 1,102,964.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,314.80 : 2,040,070.05 = 799,251.30 : x
  2. Step 2: Convert to fraction form
    1,478,314.80/2,040,070.05 = 799,251.30/x
  3. Step 3: Cross multiply
    1,478,314.80x = 2,040,070.05 × 799,251.30
  4. Step 4: Simplify right side
    1,478,314.80x = 1,630,528,639,553.57
  5. Step 5: Solve for x
    x = 1,630,528,639,553.57/1,478,314.80
  6. Step 6: Final answer
    x = 1,102,964.43

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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.