Home / 1,787,438.62-2,681,158.50-525,266.38

Finding the Fourth Proportional to 1,787,438.62, 2,681,158.50 and 525,266.38

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Solution

The fourth proportional to 1,787,438.62, 2,681,158.50 and 525,266.38 is: 787,899.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,438.62 : 2,681,158.50 = 525,266.38 : x
  2. Step 2: Convert to fraction form
    1,787,438.62/2,681,158.50 = 525,266.38/x
  3. Step 3: Cross multiply
    1,787,438.62x = 2,681,158.50 × 525,266.38
  4. Step 4: Simplify right side
    1,787,438.62x = 1,408,322,419,501.23
  5. Step 5: Solve for x
    x = 1,408,322,419,501.23/1,787,438.62
  6. Step 6: Final answer
    x = 787,899.74

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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.