Home / 1,120,282.71-1,545,983.06-636,847.88

Finding the Fourth Proportional to 1,120,282.71, 1,545,983.06 and 636,847.88

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Solution

The fourth proportional to 1,120,282.71, 1,545,983.06 and 636,847.88 is: 878,846.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,282.71 : 1,545,983.06 = 636,847.88 : x
  2. Step 2: Convert to fraction form
    1,120,282.71/1,545,983.06 = 636,847.88/x
  3. Step 3: Cross multiply
    1,120,282.71x = 1,545,983.06 × 636,847.88
  4. Step 4: Simplify right side
    1,120,282.71x = 984,556,034,276.91
  5. Step 5: Solve for x
    x = 984,556,034,276.91/1,120,282.71
  6. Step 6: Final answer
    x = 878,846.05

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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.