Home / 1,431,520.17-2,147,224.16-484,890.86

Finding the Fourth Proportional to 1,431,520.17, 2,147,224.16 and 484,890.86

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Solution

The fourth proportional to 1,431,520.17, 2,147,224.16 and 484,890.86 is: 727,317.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,520.17 : 2,147,224.16 = 484,890.86 : x
  2. Step 2: Convert to fraction form
    1,431,520.17/2,147,224.16 = 484,890.86/x
  3. Step 3: Cross multiply
    1,431,520.17x = 2,147,224.16 × 484,890.86
  4. Step 4: Simplify right side
    1,431,520.17x = 1,041,169,356,394.60
  5. Step 5: Solve for x
    x = 1,041,169,356,394.60/1,431,520.17
  6. Step 6: Final answer
    x = 727,317.28

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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.