Home / 1,057,914.60-1,588,427.10-743,764.20

Finding the Fourth Proportional to 1,057,914.60, 1,588,427.10 and 743,764.20

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Solution

The fourth proportional to 1,057,914.60, 1,588,427.10 and 743,764.20 is: 1,116,739.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,914.60 : 1,588,427.10 = 743,764.20 : x
  2. Step 2: Convert to fraction form
    1,057,914.60/1,588,427.10 = 743,764.20/x
  3. Step 3: Cross multiply
    1,057,914.60x = 1,588,427.10 × 743,764.20
  4. Step 4: Simplify right side
    1,057,914.60x = 1,181,415,211,289.82
  5. Step 5: Solve for x
    x = 1,181,415,211,289.82/1,057,914.60
  6. Step 6: Final answer
    x = 1,116,739.68

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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.