Home / 1,432,644.49-2,148,227.07-421,635.07

Finding the Fourth Proportional to 1,432,644.49, 2,148,227.07 and 421,635.07

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Solution

The fourth proportional to 1,432,644.49, 2,148,227.07 and 421,635.07 is: 632,234.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,644.49 : 2,148,227.07 = 421,635.07 : x
  2. Step 2: Convert to fraction form
    1,432,644.49/2,148,227.07 = 421,635.07/x
  3. Step 3: Cross multiply
    1,432,644.49x = 2,148,227.07 × 421,635.07
  4. Step 4: Simplify right side
    1,432,644.49x = 905,767,871,035.35
  5. Step 5: Solve for x
    x = 905,767,871,035.35/1,432,644.49
  6. Step 6: Final answer
    x = 632,234.92

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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.