Home / 1,619,889.03-2,429,808.03-421,784.82

Finding the Fourth Proportional to 1,619,889.03, 2,429,808.03 and 421,784.82

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Solution

The fourth proportional to 1,619,889.03, 2,429,808.03 and 421,784.82 is: 632,670.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,889.03 : 2,429,808.03 = 421,784.82 : x
  2. Step 2: Convert to fraction form
    1,619,889.03/2,429,808.03 = 421,784.82/x
  3. Step 3: Cross multiply
    1,619,889.03x = 2,429,808.03 × 421,784.82
  4. Step 4: Simplify right side
    1,619,889.03x = 1,024,856,142,568.10
  5. Step 5: Solve for x
    x = 1,024,856,142,568.10/1,619,889.03
  6. Step 6: Final answer
    x = 632,670.59

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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.