Home / 1,271,632.51-1,907,371.53-451,011.79

Finding the Fourth Proportional to 1,271,632.51, 1,907,371.53 and 451,011.79

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Solution

The fourth proportional to 1,271,632.51, 1,907,371.53 and 451,011.79 is: 676,490.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,632.51 : 1,907,371.53 = 451,011.79 : x
  2. Step 2: Convert to fraction form
    1,271,632.51/1,907,371.53 = 451,011.79/x
  3. Step 3: Cross multiply
    1,271,632.51x = 1,907,371.53 × 451,011.79
  4. Step 4: Simplify right side
    1,271,632.51x = 860,247,043,171.91
  5. Step 5: Solve for x
    x = 860,247,043,171.91/1,271,632.51
  6. Step 6: Final answer
    x = 676,490.29

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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.