Home / 1,185,409.50-1,635,891.03-648,865.50

Finding the Fourth Proportional to 1,185,409.50, 1,635,891.03 and 648,865.50

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Solution

The fourth proportional to 1,185,409.50, 1,635,891.03 and 648,865.50 is: 895,448.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,409.50 : 1,635,891.03 = 648,865.50 : x
  2. Step 2: Convert to fraction form
    1,185,409.50/1,635,891.03 = 648,865.50/x
  3. Step 3: Cross multiply
    1,185,409.50x = 1,635,891.03 × 648,865.50
  4. Step 4: Simplify right side
    1,185,409.50x = 1,061,473,251,126.47
  5. Step 5: Solve for x
    x = 1,061,473,251,126.47/1,185,409.50
  6. Step 6: Final answer
    x = 895,448.58

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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.