Home / 851,869.40-1,277,804.10-725,217.80

Finding the Fourth Proportional to 851,869.40, 1,277,804.10 and 725,217.80

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Solution

The fourth proportional to 851,869.40, 1,277,804.10 and 725,217.80 is: 1,087,826.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,869.40 : 1,277,804.10 = 725,217.80 : x
  2. Step 2: Convert to fraction form
    851,869.40/1,277,804.10 = 725,217.80/x
  3. Step 3: Cross multiply
    851,869.40x = 1,277,804.10 × 725,217.80
  4. Step 4: Simplify right side
    851,869.40x = 926,686,278,232.98
  5. Step 5: Solve for x
    x = 926,686,278,232.98/851,869.40
  6. Step 6: Final answer
    x = 1,087,826.70

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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.