Home / 1,348,314.20-2,019,846.90-814,248.80

Finding the Fourth Proportional to 1,348,314.20, 2,019,846.90 and 814,248.80

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Solution

The fourth proportional to 1,348,314.20, 2,019,846.90 and 814,248.80 is: 1,219,788.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,314.20 : 2,019,846.90 = 814,248.80 : x
  2. Step 2: Convert to fraction form
    1,348,314.20/2,019,846.90 = 814,248.80/x
  3. Step 3: Cross multiply
    1,348,314.20x = 2,019,846.90 × 814,248.80
  4. Step 4: Simplify right side
    1,348,314.20x = 1,644,657,914,508.72
  5. Step 5: Solve for x
    x = 1,644,657,914,508.72/1,348,314.20
  6. Step 6: Final answer
    x = 1,219,788.32

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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.