Home / 1,639,208.46-2,262,329.55-960,415.50

Finding the Fourth Proportional to 1,639,208.46, 2,262,329.55 and 960,415.50

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Solution

The fourth proportional to 1,639,208.46, 2,262,329.55 and 960,415.50 is: 1,325,503.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,208.46 : 2,262,329.55 = 960,415.50 : x
  2. Step 2: Convert to fraction form
    1,639,208.46/2,262,329.55 = 960,415.50/x
  3. Step 3: Cross multiply
    1,639,208.46x = 2,262,329.55 × 960,415.50
  4. Step 4: Simplify right side
    1,639,208.46x = 2,172,776,365,928.03
  5. Step 5: Solve for x
    x = 2,172,776,365,928.03/1,639,208.46
  6. Step 6: Final answer
    x = 1,325,503.39

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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.