Home / 1,386,400.70-2,079,309.45-587,708.30

Finding the Fourth Proportional to 1,386,400.70, 2,079,309.45 and 587,708.30

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Solution

The fourth proportional to 1,386,400.70, 2,079,309.45 and 587,708.30 is: 881,438.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,400.70 : 2,079,309.45 = 587,708.30 : x
  2. Step 2: Convert to fraction form
    1,386,400.70/2,079,309.45 = 587,708.30/x
  3. Step 3: Cross multiply
    1,386,400.70x = 2,079,309.45 × 587,708.30
  4. Step 4: Simplify right side
    1,386,400.70x = 1,222,027,422,033.44
  5. Step 5: Solve for x
    x = 1,222,027,422,033.44/1,386,400.70
  6. Step 6: Final answer
    x = 881,438.84

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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.