Home / 1,056,046.80-1,581,305.40-774,037.20

Finding the Fourth Proportional to 1,056,046.80, 1,581,305.40 and 774,037.20

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Solution

The fourth proportional to 1,056,046.80, 1,581,305.40 and 774,037.20 is: 1,159,029.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,046.80 : 1,581,305.40 = 774,037.20 : x
  2. Step 2: Convert to fraction form
    1,056,046.80/1,581,305.40 = 774,037.20/x
  3. Step 3: Cross multiply
    1,056,046.80x = 1,581,305.40 × 774,037.20
  4. Step 4: Simplify right side
    1,056,046.80x = 1,223,989,204,160.88
  5. Step 5: Solve for x
    x = 1,223,989,204,160.88/1,056,046.80
  6. Step 6: Final answer
    x = 1,159,029.32

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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.