Home / 1,340,888.47-2,012,596.72-488,783.72

Finding the Fourth Proportional to 1,340,888.47, 2,012,596.72 and 488,783.72

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Solution

The fourth proportional to 1,340,888.47, 2,012,596.72 and 488,783.72 is: 733,636.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,888.47 : 2,012,596.72 = 488,783.72 : x
  2. Step 2: Convert to fraction form
    1,340,888.47/2,012,596.72 = 488,783.72/x
  3. Step 3: Cross multiply
    1,340,888.47x = 2,012,596.72 × 488,783.72
  4. Step 4: Simplify right side
    1,340,888.47x = 983,724,511,661.40
  5. Step 5: Solve for x
    x = 983,724,511,661.40/1,340,888.47
  6. Step 6: Final answer
    x = 733,636.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.