Home / 1,431,521.56-2,147,226.18-484,892.20

Finding the Fourth Proportional to 1,431,521.56, 2,147,226.18 and 484,892.20

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Solution

The fourth proportional to 1,431,521.56, 2,147,226.18 and 484,892.20 is: 727,319.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,521.56 : 2,147,226.18 = 484,892.20 : x
  2. Step 2: Convert to fraction form
    1,431,521.56/2,147,226.18 = 484,892.20/x
  3. Step 3: Cross multiply
    1,431,521.56x = 2,147,226.18 × 484,892.20
  4. Step 4: Simplify right side
    1,431,521.56x = 1,041,173,226,317.80
  5. Step 5: Solve for x
    x = 1,041,173,226,317.80/1,431,521.56
  6. Step 6: Final answer
    x = 727,319.28

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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.