Home / 1,876,674.40-2,815,011.84-456,730.48

Finding the Fourth Proportional to 1,876,674.40, 2,815,011.84 and 456,730.48

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Solution

The fourth proportional to 1,876,674.40, 2,815,011.84 and 456,730.48 is: 685,095.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,674.40 : 2,815,011.84 = 456,730.48 : x
  2. Step 2: Convert to fraction form
    1,876,674.40/2,815,011.84 = 456,730.48/x
  3. Step 3: Cross multiply
    1,876,674.40x = 2,815,011.84 × 456,730.48
  4. Step 4: Simplify right side
    1,876,674.40x = 1,285,701,708,888.88
  5. Step 5: Solve for x
    x = 1,285,701,708,888.88/1,876,674.40
  6. Step 6: Final answer
    x = 685,095.78

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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.