Home / 1,216,308.73-1,678,772.51-707,304.73

Finding the Fourth Proportional to 1,216,308.73, 1,678,772.51 and 707,304.73

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Solution

The fourth proportional to 1,216,308.73, 1,678,772.51 and 707,304.73 is: 976,235.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,308.73 : 1,678,772.51 = 707,304.73 : x
  2. Step 2: Convert to fraction form
    1,216,308.73/1,678,772.51 = 707,304.73/x
  3. Step 3: Cross multiply
    1,216,308.73x = 1,678,772.51 × 707,304.73
  4. Step 4: Simplify right side
    1,216,308.73x = 1,187,403,736,916.97
  5. Step 5: Solve for x
    x = 1,187,403,736,916.97/1,216,308.73
  6. Step 6: Final answer
    x = 976,235.48

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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.