Home / 1,271,637.89-1,907,379.58-451,017.17

Finding the Fourth Proportional to 1,271,637.89, 1,907,379.58 and 451,017.17

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Solution

The fourth proportional to 1,271,637.89, 1,907,379.58 and 451,017.17 is: 676,498.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,637.89 : 1,907,379.58 = 451,017.17 : x
  2. Step 2: Convert to fraction form
    1,271,637.89/1,907,379.58 = 451,017.17/x
  3. Step 3: Cross multiply
    1,271,637.89x = 1,907,379.58 × 451,017.17
  4. Step 4: Simplify right side
    1,271,637.89x = 860,260,940,287.39
  5. Step 5: Solve for x
    x = 860,260,940,287.39/1,271,637.89
  6. Step 6: Final answer
    x = 676,498.35

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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.