Home / 1,118,159.12-1,684,707.39-1,011,679.56

Finding the Fourth Proportional to 1,118,159.12, 1,684,707.39 and 1,011,679.56

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Solution

The fourth proportional to 1,118,159.12, 1,684,707.39 and 1,011,679.56 is: 1,524,276.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,159.12 : 1,684,707.39 = 1,011,679.56 : x
  2. Step 2: Convert to fraction form
    1,118,159.12/1,684,707.39 = 1,011,679.56/x
  3. Step 3: Cross multiply
    1,118,159.12x = 1,684,707.39 × 1,011,679.56
  4. Step 4: Simplify right side
    1,118,159.12x = 1,704,384,031,043.95
  5. Step 5: Solve for x
    x = 1,704,384,031,043.95/1,118,159.12
  6. Step 6: Final answer
    x = 1,524,276.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.