Home / 1,425,777.50-1,967,080.92-813,488.42

Finding the Fourth Proportional to 1,425,777.50, 1,967,080.92 and 813,488.42

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Solution

The fourth proportional to 1,425,777.50, 1,967,080.92 and 813,488.42 is: 1,122,333.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,777.50 : 1,967,080.92 = 813,488.42 : x
  2. Step 2: Convert to fraction form
    1,425,777.50/1,967,080.92 = 813,488.42/x
  3. Step 3: Cross multiply
    1,425,777.50x = 1,967,080.92 × 813,488.42
  4. Step 4: Simplify right side
    1,425,777.50x = 1,600,197,549,622.95
  5. Step 5: Solve for x
    x = 1,600,197,549,622.95/1,425,777.50
  6. Step 6: Final answer
    x = 1,122,333.29

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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.