Home / 1,439,447.48-2,159,173.78-374,487.84

Finding the Fourth Proportional to 1,439,447.48, 2,159,173.78 and 374,487.84

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Solution

The fourth proportional to 1,439,447.48, 2,159,173.78 and 374,487.84 is: 561,732.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,447.48 : 2,159,173.78 = 374,487.84 : x
  2. Step 2: Convert to fraction form
    1,439,447.48/2,159,173.78 = 374,487.84/x
  3. Step 3: Cross multiply
    1,439,447.48x = 2,159,173.78 × 374,487.84
  4. Step 4: Simplify right side
    1,439,447.48x = 808,584,325,056.84
  5. Step 5: Solve for x
    x = 808,584,325,056.84/1,439,447.48
  6. Step 6: Final answer
    x = 561,732.43

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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.