Home / 1,086,407.87-1,499,518.44-742,383.05

Finding the Fourth Proportional to 1,086,407.87, 1,499,518.44 and 742,383.05

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Solution

The fourth proportional to 1,086,407.87, 1,499,518.44 and 742,383.05 is: 1,024,676.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,407.87 : 1,499,518.44 = 742,383.05 : x
  2. Step 2: Convert to fraction form
    1,086,407.87/1,499,518.44 = 742,383.05/x
  3. Step 3: Cross multiply
    1,086,407.87x = 1,499,518.44 × 742,383.05
  4. Step 4: Simplify right side
    1,086,407.87x = 1,113,217,065,520.85
  5. Step 5: Solve for x
    x = 1,113,217,065,520.85/1,086,407.87
  6. Step 6: Final answer
    x = 1,024,676.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.