Home / 1,216,314.48-1,678,780.44-707,310.48

Finding the Fourth Proportional to 1,216,314.48, 1,678,780.44 and 707,310.48

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Solution

The fourth proportional to 1,216,314.48, 1,678,780.44 and 707,310.48 is: 976,243.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,314.48 : 1,678,780.44 = 707,310.48 : x
  2. Step 2: Convert to fraction form
    1,216,314.48/1,678,780.44 = 707,310.48/x
  3. Step 3: Cross multiply
    1,216,314.48x = 1,678,780.44 × 707,310.48
  4. Step 4: Simplify right side
    1,216,314.48x = 1,187,418,998,831.01
  5. Step 5: Solve for x
    x = 1,187,418,998,831.01/1,216,314.48
  6. Step 6: Final answer
    x = 976,243.41

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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.