Home / 1,521,542.40-2,282,311.44-456,582.72

Finding the Fourth Proportional to 1,521,542.40, 2,282,311.44 and 456,582.72

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Solution

The fourth proportional to 1,521,542.40, 2,282,311.44 and 456,582.72 is: 684,873.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,542.40 : 2,282,311.44 = 456,582.72 : x
  2. Step 2: Convert to fraction form
    1,521,542.40/2,282,311.44 = 456,582.72/x
  3. Step 3: Cross multiply
    1,521,542.40x = 2,282,311.44 × 456,582.72
  4. Step 4: Simplify right side
    1,521,542.40x = 1,042,063,965,162.32
  5. Step 5: Solve for x
    x = 1,042,063,965,162.32/1,521,542.40
  6. Step 6: Final answer
    x = 684,873.43

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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.