Home / 1,486,724.60-2,230,171.64-421,682.94

Finding the Fourth Proportional to 1,486,724.60, 2,230,171.64 and 421,682.94

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Solution

The fourth proportional to 1,486,724.60, 2,230,171.64 and 421,682.94 is: 632,548.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,724.60 : 2,230,171.64 = 421,682.94 : x
  2. Step 2: Convert to fraction form
    1,486,724.60/2,230,171.64 = 421,682.94/x
  3. Step 3: Cross multiply
    1,486,724.60x = 2,230,171.64 × 421,682.94
  4. Step 4: Simplify right side
    1,486,724.60x = 940,425,333,859.82
  5. Step 5: Solve for x
    x = 940,425,333,859.82/1,486,724.60
  6. Step 6: Final answer
    x = 632,548.44

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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.