Home / 1,126,995.63-1,689,958.31-653,826.03

Finding the Fourth Proportional to 1,126,995.63, 1,689,958.31 and 653,826.03

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Solution

The fourth proportional to 1,126,995.63, 1,689,958.31 and 653,826.03 is: 980,428.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,995.63 : 1,689,958.31 = 653,826.03 : x
  2. Step 2: Convert to fraction form
    1,126,995.63/1,689,958.31 = 653,826.03/x
  3. Step 3: Cross multiply
    1,126,995.63x = 1,689,958.31 × 653,826.03
  4. Step 4: Simplify right side
    1,126,995.63x = 1,104,938,729,423.68
  5. Step 5: Solve for x
    x = 1,104,938,729,423.68/1,126,995.63
  6. Step 6: Final answer
    x = 980,428.58

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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.