Home / 1,316,497.52-1,974,814.66-418,009.61

Finding the Fourth Proportional to 1,316,497.52, 1,974,814.66 and 418,009.61

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Solution

The fourth proportional to 1,316,497.52, 1,974,814.66 and 418,009.61 is: 627,036.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,497.52 : 1,974,814.66 = 418,009.61 : x
  2. Step 2: Convert to fraction form
    1,316,497.52/1,974,814.66 = 418,009.61/x
  3. Step 3: Cross multiply
    1,316,497.52x = 1,974,814.66 × 418,009.61
  4. Step 4: Simplify right side
    1,316,497.52x = 825,491,511,308.43
  5. Step 5: Solve for x
    x = 825,491,511,308.43/1,316,497.52
  6. Step 6: Final answer
    x = 627,036.13

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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.