Home / 1,419,792.84-1,959,341.40-775,238.58

Finding the Fourth Proportional to 1,419,792.84, 1,959,341.40 and 775,238.58

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Solution

The fourth proportional to 1,419,792.84, 1,959,341.40 and 775,238.58 is: 1,069,844.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,792.84 : 1,959,341.40 = 775,238.58 : x
  2. Step 2: Convert to fraction form
    1,419,792.84/1,959,341.40 = 775,238.58/x
  3. Step 3: Cross multiply
    1,419,792.84x = 1,959,341.40 × 775,238.58
  4. Step 4: Simplify right side
    1,419,792.84x = 1,518,957,044,671.21
  5. Step 5: Solve for x
    x = 1,518,957,044,671.21/1,419,792.84
  6. Step 6: Final answer
    x = 1,069,844.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.