Home / 1,339,474.60-2,009,900.85-740,324.08

Finding the Fourth Proportional to 1,339,474.60, 2,009,900.85 and 740,324.08

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Solution

The fourth proportional to 1,339,474.60, 2,009,900.85 and 740,324.08 is: 1,110,866.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,474.60 : 2,009,900.85 = 740,324.08 : x
  2. Step 2: Convert to fraction form
    1,339,474.60/2,009,900.85 = 740,324.08/x
  3. Step 3: Cross multiply
    1,339,474.60x = 2,009,900.85 × 740,324.08
  4. Step 4: Simplify right side
    1,339,474.60x = 1,487,977,997,667.47
  5. Step 5: Solve for x
    x = 1,487,977,997,667.47/1,339,474.60
  6. Step 6: Final answer
    x = 1,110,866.90

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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.