Home / 1,521,376.56-2,282,443.92-456,438.24

Finding the Fourth Proportional to 1,521,376.56, 2,282,443.92 and 456,438.24

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Solution

The fourth proportional to 1,521,376.56, 2,282,443.92 and 456,438.24 is: 684,771.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,376.56 : 2,282,443.92 = 456,438.24 : x
  2. Step 2: Convert to fraction form
    1,521,376.56/2,282,443.92 = 456,438.24/x
  3. Step 3: Cross multiply
    1,521,376.56x = 2,282,443.92 × 456,438.24
  4. Step 4: Simplify right side
    1,521,376.56x = 1,041,794,685,743.50
  5. Step 5: Solve for x
    x = 1,041,794,685,743.50/1,521,376.56
  6. Step 6: Final answer
    x = 684,771.09

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1.5x scale

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.