Home / 1,521,490.45-2,282,458.20-456,616.66

Finding the Fourth Proportional to 1,521,490.45, 2,282,458.20 and 456,616.66

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Solution

The fourth proportional to 1,521,490.45, 2,282,458.20 and 456,616.66 is: 684,991.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,490.45 : 2,282,458.20 = 456,616.66 : x
  2. Step 2: Convert to fraction form
    1,521,490.45/2,282,458.20 = 456,616.66/x
  3. Step 3: Cross multiply
    1,521,490.45x = 2,282,458.20 × 456,616.66
  4. Step 4: Simplify right side
    1,521,490.45x = 1,042,208,439,873.61
  5. Step 5: Solve for x
    x = 1,042,208,439,873.61/1,521,490.45
  6. Step 6: Final answer
    x = 684,991.77

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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.