Home / 1,471,017.20-2,029,879.32-826,386.80

Finding the Fourth Proportional to 1,471,017.20, 2,029,879.32 and 826,386.80

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Solution

The fourth proportional to 1,471,017.20, 2,029,879.32 and 826,386.80 is: 1,140,343.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471,017.20 : 2,029,879.32 = 826,386.80 : x
  2. Step 2: Convert to fraction form
    1,471,017.20/2,029,879.32 = 826,386.80/x
  3. Step 3: Cross multiply
    1,471,017.20x = 2,029,879.32 × 826,386.80
  4. Step 4: Simplify right side
    1,471,017.20x = 1,677,465,475,640.98
  5. Step 5: Solve for x
    x = 1,677,465,475,640.98/1,471,017.20
  6. Step 6: Final answer
    x = 1,140,343.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.