Home / 1,262,789.78-1,894,183.02-316,160.39

Finding the Fourth Proportional to 1,262,789.78, 1,894,183.02 and 316,160.39

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Solution

The fourth proportional to 1,262,789.78, 1,894,183.02 and 316,160.39 is: 474,240.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,789.78 : 1,894,183.02 = 316,160.39 : x
  2. Step 2: Convert to fraction form
    1,262,789.78/1,894,183.02 = 316,160.39/x
  3. Step 3: Cross multiply
    1,262,789.78x = 1,894,183.02 × 316,160.39
  4. Step 4: Simplify right side
    1,262,789.78x = 598,865,642,334.58
  5. Step 5: Solve for x
    x = 598,865,642,334.58/1,262,789.78
  6. Step 6: Final answer
    x = 474,240.17

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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.