Home / 1,492,859.16-2,239,949.70-782,717.58

Finding the Fourth Proportional to 1,492,859.16, 2,239,949.70 and 782,717.58

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Solution

The fourth proportional to 1,492,859.16, 2,239,949.70 and 782,717.58 is: 1,174,422.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,859.16 : 2,239,949.70 = 782,717.58 : x
  2. Step 2: Convert to fraction form
    1,492,859.16/2,239,949.70 = 782,717.58/x
  3. Step 3: Cross multiply
    1,492,859.16x = 2,239,949.70 × 782,717.58
  4. Step 4: Simplify right side
    1,492,859.16x = 1,753,248,008,505.73
  5. Step 5: Solve for x
    x = 1,753,248,008,505.73/1,492,859.16
  6. Step 6: Final answer
    x = 1,174,422.92

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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.