Home / 1,787,321.80-2,681,241.90-589,040.20

Finding the Fourth Proportional to 1,787,321.80, 2,681,241.90 and 589,040.20

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Solution

The fourth proportional to 1,787,321.80, 2,681,241.90 and 589,040.20 is: 883,645.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,321.80 : 2,681,241.90 = 589,040.20 : x
  2. Step 2: Convert to fraction form
    1,787,321.80/2,681,241.90 = 589,040.20/x
  3. Step 3: Cross multiply
    1,787,321.80x = 2,681,241.90 × 589,040.20
  4. Step 4: Simplify right side
    1,787,321.80x = 1,579,359,265,024.38
  5. Step 5: Solve for x
    x = 1,579,359,265,024.38/1,787,321.80
  6. Step 6: Final answer
    x = 883,645.72

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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.