Home / 1,425,700.52-1,967,216.62-813,573.80

Finding the Fourth Proportional to 1,425,700.52, 1,967,216.62 and 813,573.80

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Solution

The fourth proportional to 1,425,700.52, 1,967,216.62 and 813,573.80 is: 1,122,589.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,700.52 : 1,967,216.62 = 813,573.80 : x
  2. Step 2: Convert to fraction form
    1,425,700.52/1,967,216.62 = 813,573.80/x
  3. Step 3: Cross multiply
    1,425,700.52x = 1,967,216.62 × 813,573.80
  4. Step 4: Simplify right side
    1,425,700.52x = 1,600,475,900,956.56
  5. Step 5: Solve for x
    x = 1,600,475,900,956.56/1,425,700.52
  6. Step 6: Final answer
    x = 1,122,589.13

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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.