Home / 1,388,587.59-2,082,927.39-477,761.31

Finding the Fourth Proportional to 1,388,587.59, 2,082,927.39 and 477,761.31

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Solution

The fourth proportional to 1,388,587.59, 2,082,927.39 and 477,761.31 is: 716,657.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,587.59 : 2,082,927.39 = 477,761.31 : x
  2. Step 2: Convert to fraction form
    1,388,587.59/2,082,927.39 = 477,761.31/x
  3. Step 3: Cross multiply
    1,388,587.59x = 2,082,927.39 × 477,761.31
  4. Step 4: Simplify right side
    1,388,587.59x = 995,142,118,481.28
  5. Step 5: Solve for x
    x = 995,142,118,481.28/1,388,587.59
  6. Step 6: Final answer
    x = 716,657.79

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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.