Home / 1,344,376.10-2,016,564.15-1,238,087.90

Finding the Fourth Proportional to 1,344,376.10, 2,016,564.15 and 1,238,087.90

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Solution

The fourth proportional to 1,344,376.10, 2,016,564.15 and 1,238,087.90 is: 1,857,131.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,376.10 : 2,016,564.15 = 1,238,087.90 : x
  2. Step 2: Convert to fraction form
    1,344,376.10/2,016,564.15 = 1,238,087.90/x
  3. Step 3: Cross multiply
    1,344,376.10x = 2,016,564.15 × 1,238,087.90
  4. Step 4: Simplify right side
    1,344,376.10x = 2,496,683,673,688.78
  5. Step 5: Solve for x
    x = 2,496,683,673,688.78/1,344,376.10
  6. Step 6: Final answer
    x = 1,857,131.85

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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.