Home / 1,521,586.80-2,281,505.40-456,469.20

Finding the Fourth Proportional to 1,521,586.80, 2,281,505.40 and 456,469.20

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Solution

The fourth proportional to 1,521,586.80, 2,281,505.40 and 456,469.20 is: 684,441.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,586.80 : 2,281,505.40 = 456,469.20 : x
  2. Step 2: Convert to fraction form
    1,521,586.80/2,281,505.40 = 456,469.20/x
  3. Step 3: Cross multiply
    1,521,586.80x = 2,281,505.40 × 456,469.20
  4. Step 4: Simplify right side
    1,521,586.80x = 1,041,436,944,733.68
  5. Step 5: Solve for x
    x = 1,041,436,944,733.68/1,521,586.80
  6. Step 6: Final answer
    x = 684,441.36

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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.