Home / 1,339,436.67-2,009,431.80-440,932.32

Finding the Fourth Proportional to 1,339,436.67, 2,009,431.80 and 440,932.32

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Solution

The fourth proportional to 1,339,436.67, 2,009,431.80 and 440,932.32 is: 661,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,436.67 : 2,009,431.80 = 440,932.32 : x
  2. Step 2: Convert to fraction form
    1,339,436.67/2,009,431.80 = 440,932.32/x
  3. Step 3: Cross multiply
    1,339,436.67x = 2,009,431.80 × 440,932.32
  4. Step 4: Simplify right side
    1,339,436.67x = 886,023,425,455.78
  5. Step 5: Solve for x
    x = 886,023,425,455.78/1,339,436.67
  6. Step 6: Final answer
    x = 661,489.60

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1.5x scale

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.