Home / 1,126,991.88-1,689,952.68-653,822.28

Finding the Fourth Proportional to 1,126,991.88, 1,689,952.68 and 653,822.28

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Solution

The fourth proportional to 1,126,991.88, 1,689,952.68 and 653,822.28 is: 980,422.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,991.88 : 1,689,952.68 = 653,822.28 : x
  2. Step 2: Convert to fraction form
    1,126,991.88/1,689,952.68 = 653,822.28/x
  3. Step 3: Cross multiply
    1,126,991.88x = 1,689,952.68 × 653,822.28
  4. Step 4: Simplify right side
    1,126,991.88x = 1,104,928,714,329.71
  5. Step 5: Solve for x
    x = 1,104,928,714,329.71/1,126,991.88
  6. Step 6: Final answer
    x = 980,422.96

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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.