Home / 1,785,245.82-2,462,926.95-1,140,498.78

Finding the Fourth Proportional to 1,785,245.82, 2,462,926.95 and 1,140,498.78

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Solution

The fourth proportional to 1,785,245.82, 2,462,926.95 and 1,140,498.78 is: 1,573,433.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,245.82 : 2,462,926.95 = 1,140,498.78 : x
  2. Step 2: Convert to fraction form
    1,785,245.82/2,462,926.95 = 1,140,498.78/x
  3. Step 3: Cross multiply
    1,785,245.82x = 2,462,926.95 × 1,140,498.78
  4. Step 4: Simplify right side
    1,785,245.82x = 2,808,965,181,704.12
  5. Step 5: Solve for x
    x = 2,808,965,181,704.12/1,785,245.82
  6. Step 6: Final answer
    x = 1,573,433.28

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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.