Home / 1,389,349.74-2,083,733-391,844.46

Finding the Fourth Proportional to 1,389,349.74, 2,083,733 and 391,844.46

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Solution

The fourth proportional to 1,389,349.74, 2,083,733 and 391,844.46 is: 587,684.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,349.74 : 2,083,733 = 391,844.46 : x
  2. Step 2: Convert to fraction form
    1,389,349.74/2,083,733 = 391,844.46/x
  3. Step 3: Cross multiply
    1,389,349.74x = 2,083,733 × 391,844.46
  4. Step 4: Simplify right side
    1,389,349.74x = 816,499,221,750.52
  5. Step 5: Solve for x
    x = 816,499,221,750.52/1,389,349.74
  6. Step 6: Final answer
    x = 587,684.44

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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.