Home / 1,348,380.70-2,019,946.65-814,315.30

Finding the Fourth Proportional to 1,348,380.70, 2,019,946.65 and 814,315.30

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Solution

The fourth proportional to 1,348,380.70, 2,019,946.65 and 814,315.30 is: 1,219,888.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,380.70 : 2,019,946.65 = 814,315.30 : x
  2. Step 2: Convert to fraction form
    1,348,380.70/2,019,946.65 = 814,315.30/x
  3. Step 3: Cross multiply
    1,348,380.70x = 2,019,946.65 × 814,315.30
  4. Step 4: Simplify right side
    1,348,380.70x = 1,644,873,462,278.75
  5. Step 5: Solve for x
    x = 1,644,873,462,278.75/1,348,380.70
  6. Step 6: Final answer
    x = 1,219,888.02

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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.