Home / 1,521,405.56-2,282,487.42-456,467.24

Finding the Fourth Proportional to 1,521,405.56, 2,282,487.42 and 456,467.24

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Solution

The fourth proportional to 1,521,405.56, 2,282,487.42 and 456,467.24 is: 684,814.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,405.56 : 2,282,487.42 = 456,467.24 : x
  2. Step 2: Convert to fraction form
    1,521,405.56/2,282,487.42 = 456,467.24/x
  3. Step 3: Cross multiply
    1,521,405.56x = 2,282,487.42 × 456,467.24
  4. Step 4: Simplify right side
    1,521,405.56x = 1,041,880,732,942.12
  5. Step 5: Solve for x
    x = 1,041,880,732,942.12/1,521,405.56
  6. Step 6: Final answer
    x = 684,814.60

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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.