Home / 987,675.20-1,479,763.20-837,209.60

Finding the Fourth Proportional to 987,675.20, 1,479,763.20 and 837,209.60

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Solution

The fourth proportional to 987,675.20, 1,479,763.20 and 837,209.60 is: 1,254,331.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,675.20 : 1,479,763.20 = 837,209.60 : x
  2. Step 2: Convert to fraction form
    987,675.20/1,479,763.20 = 837,209.60/x
  3. Step 3: Cross multiply
    987,675.20x = 1,479,763.20 × 837,209.60
  4. Step 4: Simplify right side
    987,675.20x = 1,238,871,956,766.72
  5. Step 5: Solve for x
    x = 1,238,871,956,766.72/987,675.20
  6. Step 6: Final answer
    x = 1,254,331.34

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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.