Home / 1,230,550.80-1,845,826.20-915,622.80

Finding the Fourth Proportional to 1,230,550.80, 1,845,826.20 and 915,622.80

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Solution

The fourth proportional to 1,230,550.80, 1,845,826.20 and 915,622.80 is: 1,373,434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,550.80 : 1,845,826.20 = 915,622.80 : x
  2. Step 2: Convert to fraction form
    1,230,550.80/1,845,826.20 = 915,622.80/x
  3. Step 3: Cross multiply
    1,230,550.80x = 1,845,826.20 × 915,622.80
  4. Step 4: Simplify right side
    1,230,550.80x = 1,690,080,553,557.36
  5. Step 5: Solve for x
    x = 1,690,080,553,557.36/1,230,550.80
  6. Step 6: Final answer
    x = 1,373,434.20

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Similar ratio
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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.