Home / 1,492,437.20-2,237,995.32-427,236.56

Finding the Fourth Proportional to 1,492,437.20, 2,237,995.32 and 427,236.56

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Solution

The fourth proportional to 1,492,437.20, 2,237,995.32 and 427,236.56 is: 640,665.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,437.20 : 2,237,995.32 = 427,236.56 : x
  2. Step 2: Convert to fraction form
    1,492,437.20/2,237,995.32 = 427,236.56/x
  3. Step 3: Cross multiply
    1,492,437.20x = 2,237,995.32 × 427,236.56
  4. Step 4: Simplify right side
    1,492,437.20x = 956,153,421,812.90
  5. Step 5: Solve for x
    x = 956,153,421,812.90/1,492,437.20
  6. Step 6: Final answer
    x = 640,665.77

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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.