Home / 1,918,011.20-2,876,694.20-703,336.64

Finding the Fourth Proportional to 1,918,011.20, 2,876,694.20 and 703,336.64

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Solution

The fourth proportional to 1,918,011.20, 2,876,694.20 and 703,336.64 is: 1,054,886.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,011.20 : 2,876,694.20 = 703,336.64 : x
  2. Step 2: Convert to fraction form
    1,918,011.20/2,876,694.20 = 703,336.64/x
  3. Step 3: Cross multiply
    1,918,011.20x = 2,876,694.20 × 703,336.64
  4. Step 4: Simplify right side
    1,918,011.20x = 2,023,284,432,935.49
  5. Step 5: Solve for x
    x = 2,023,284,432,935.49/1,918,011.20
  6. Step 6: Final answer
    x = 1,054,886.66

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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.