Home / 1,112,426.40-1,535,178.66-629,063.88

Finding the Fourth Proportional to 1,112,426.40, 1,535,178.66 and 629,063.88

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Solution

The fourth proportional to 1,112,426.40, 1,535,178.66 and 629,063.88 is: 868,125.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,426.40 : 1,535,178.66 = 629,063.88 : x
  2. Step 2: Convert to fraction form
    1,112,426.40/1,535,178.66 = 629,063.88/x
  3. Step 3: Cross multiply
    1,112,426.40x = 1,535,178.66 × 629,063.88
  4. Step 4: Simplify right side
    1,112,426.40x = 965,725,444,352.80
  5. Step 5: Solve for x
    x = 965,725,444,352.80/1,112,426.40
  6. Step 6: Final answer
    x = 868,125.25

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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.