Home / 1,108,455.84-1,660,044.78-707,855.76

Finding the Fourth Proportional to 1,108,455.84, 1,660,044.78 and 707,855.76

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Solution

The fourth proportional to 1,108,455.84, 1,660,044.78 and 707,855.76 is: 1,060,098.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,455.84 : 1,660,044.78 = 707,855.76 : x
  2. Step 2: Convert to fraction form
    1,108,455.84/1,660,044.78 = 707,855.76/x
  3. Step 3: Cross multiply
    1,108,455.84x = 1,660,044.78 × 707,855.76
  4. Step 4: Simplify right side
    1,108,455.84x = 1,175,072,259,380.93
  5. Step 5: Solve for x
    x = 1,175,072,259,380.93/1,108,455.84
  6. Step 6: Final answer
    x = 1,060,098.40

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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.