Home / 1,215,302.10-1,677,134.49-671,450.40

Finding the Fourth Proportional to 1,215,302.10, 1,677,134.49 and 671,450.40

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Solution

The fourth proportional to 1,215,302.10, 1,677,134.49 and 671,450.40 is: 926,611.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,302.10 : 1,677,134.49 = 671,450.40 : x
  2. Step 2: Convert to fraction form
    1,215,302.10/1,677,134.49 = 671,450.40/x
  3. Step 3: Cross multiply
    1,215,302.10x = 1,677,134.49 × 671,450.40
  4. Step 4: Simplify right side
    1,215,302.10x = 1,126,112,624,164.30
  5. Step 5: Solve for x
    x = 1,126,112,624,164.30/1,215,302.10
  6. Step 6: Final answer
    x = 926,611.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.