Home / 1,339,487.64-2,009,248.08-392,877.96

Finding the Fourth Proportional to 1,339,487.64, 2,009,248.08 and 392,877.96

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Solution

The fourth proportional to 1,339,487.64, 2,009,248.08 and 392,877.96 is: 589,321.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,487.64 : 2,009,248.08 = 392,877.96 : x
  2. Step 2: Convert to fraction form
    1,339,487.64/2,009,248.08 = 392,877.96/x
  3. Step 3: Cross multiply
    1,339,487.64x = 2,009,248.08 × 392,877.96
  4. Step 4: Simplify right side
    1,339,487.64x = 789,389,286,804.32
  5. Step 5: Solve for x
    x = 789,389,286,804.32/1,339,487.64
  6. Step 6: Final answer
    x = 589,321.81

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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.