Home / 1,432,529.14-2,148,560.09-421,414.59

Finding the Fourth Proportional to 1,432,529.14, 2,148,560.09 and 421,414.59

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Solution

The fourth proportional to 1,432,529.14, 2,148,560.09 and 421,414.59 is: 632,053.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,529.14 : 2,148,560.09 = 421,414.59 : x
  2. Step 2: Convert to fraction form
    1,432,529.14/2,148,560.09 = 421,414.59/x
  3. Step 3: Cross multiply
    1,432,529.14x = 2,148,560.09 × 421,414.59
  4. Step 4: Simplify right side
    1,432,529.14x = 905,434,567,310.64
  5. Step 5: Solve for x
    x = 905,434,567,310.64/1,432,529.14
  6. Step 6: Final answer
    x = 632,053.16

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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.