Home / 1,470,872.62-2,029,695.12-826,400.20

Finding the Fourth Proportional to 1,470,872.62, 2,029,695.12 and 826,400.20

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Solution

The fourth proportional to 1,470,872.62, 2,029,695.12 and 826,400.20 is: 1,140,370.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,872.62 : 2,029,695.12 = 826,400.20 : x
  2. Step 2: Convert to fraction form
    1,470,872.62/2,029,695.12 = 826,400.20/x
  3. Step 3: Cross multiply
    1,470,872.62x = 2,029,695.12 × 826,400.20
  4. Step 4: Simplify right side
    1,470,872.62x = 1,677,340,453,107.02
  5. Step 5: Solve for x
    x = 1,677,340,453,107.02/1,470,872.62
  6. Step 6: Final answer
    x = 1,140,370.98

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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.