Home / 1,587,938.54-2,380,568.88-688,703

Finding the Fourth Proportional to 1,587,938.54, 2,380,568.88 and 688,703

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Solution

The fourth proportional to 1,587,938.54, 2,380,568.88 and 688,703 is: 1,032,473.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,938.54 : 2,380,568.88 = 688,703 : x
  2. Step 2: Convert to fraction form
    1,587,938.54/2,380,568.88 = 688,703/x
  3. Step 3: Cross multiply
    1,587,938.54x = 2,380,568.88 × 688,703
  4. Step 4: Simplify right side
    1,587,938.54x = 1,639,504,929,362.64
  5. Step 5: Solve for x
    x = 1,639,504,929,362.64/1,587,938.54
  6. Step 6: Final answer
    x = 1,032,473.79

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.