Home / 1,391,374.26-2,086,959.33-444,490.74

Finding the Fourth Proportional to 1,391,374.26, 2,086,959.33 and 444,490.74

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Solution

The fourth proportional to 1,391,374.26, 2,086,959.33 and 444,490.74 is: 666,703.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,374.26 : 2,086,959.33 = 444,490.74 : x
  2. Step 2: Convert to fraction form
    1,391,374.26/2,086,959.33 = 444,490.74/x
  3. Step 3: Cross multiply
    1,391,374.26x = 2,086,959.33 × 444,490.74
  4. Step 4: Simplify right side
    1,391,374.26x = 927,634,096,941.60
  5. Step 5: Solve for x
    x = 927,634,096,941.60/1,391,374.26
  6. Step 6: Final answer
    x = 666,703.51

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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.