Home / 1,440,549.22-2,160,596.64-906,435.22

Finding the Fourth Proportional to 1,440,549.22, 2,160,596.64 and 906,435.22

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Solution

The fourth proportional to 1,440,549.22, 2,160,596.64 and 906,435.22 is: 1,359,509.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,549.22 : 2,160,596.64 = 906,435.22 : x
  2. Step 2: Convert to fraction form
    1,440,549.22/2,160,596.64 = 906,435.22/x
  3. Step 3: Cross multiply
    1,440,549.22x = 2,160,596.64 × 906,435.22
  4. Step 4: Simplify right side
    1,440,549.22x = 1,958,440,890,709.66
  5. Step 5: Solve for x
    x = 1,958,440,890,709.66/1,440,549.22
  6. Step 6: Final answer
    x = 1,359,509.88

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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.