Home / 1,080,411.92-1,620,447.48-679,826.42

Finding the Fourth Proportional to 1,080,411.92, 1,620,447.48 and 679,826.42

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Solution

The fourth proportional to 1,080,411.92, 1,620,447.48 and 679,826.42 is: 1,019,632.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,411.92 : 1,620,447.48 = 679,826.42 : x
  2. Step 2: Convert to fraction form
    1,080,411.92/1,620,447.48 = 679,826.42/x
  3. Step 3: Cross multiply
    1,080,411.92x = 1,620,447.48 × 679,826.42
  4. Step 4: Simplify right side
    1,080,411.92x = 1,101,623,001,024.18
  5. Step 5: Solve for x
    x = 1,101,623,001,024.18/1,080,411.92
  6. Step 6: Final answer
    x = 1,019,632.41

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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.