Home / 1,107,807.40-1,662,367.20-807,532.30

Finding the Fourth Proportional to 1,107,807.40, 1,662,367.20 and 807,532.30

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Solution

The fourth proportional to 1,107,807.40, 1,662,367.20 and 807,532.30 is: 1,211,776.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,807.40 : 1,662,367.20 = 807,532.30 : x
  2. Step 2: Convert to fraction form
    1,107,807.40/1,662,367.20 = 807,532.30/x
  3. Step 3: Cross multiply
    1,107,807.40x = 1,662,367.20 × 807,532.30
  4. Step 4: Simplify right side
    1,107,807.40x = 1,342,415,208,460.56
  5. Step 5: Solve for x
    x = 1,342,415,208,460.56/1,107,807.40
  6. Step 6: Final answer
    x = 1,211,776.71

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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.