Home / 1,440,353.19-2,160,991.32-1,008,520.46

Finding the Fourth Proportional to 1,440,353.19, 2,160,991.32 and 1,008,520.46

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Solution

The fourth proportional to 1,440,353.19, 2,160,991.32 and 1,008,520.46 is: 1,513,103.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,353.19 : 2,160,991.32 = 1,008,520.46 : x
  2. Step 2: Convert to fraction form
    1,440,353.19/2,160,991.32 = 1,008,520.46/x
  3. Step 3: Cross multiply
    1,440,353.19x = 2,160,991.32 × 1,008,520.46
  4. Step 4: Simplify right side
    1,440,353.19x = 2,179,403,960,102.41
  5. Step 5: Solve for x
    x = 2,179,403,960,102.41/1,440,353.19
  6. Step 6: Final answer
    x = 1,513,103.85

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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.