Home / 1,435,175.70-2,149,811.10-986,403.30

Finding the Fourth Proportional to 1,435,175.70, 2,149,811.10 and 986,403.30

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Solution

The fourth proportional to 1,435,175.70, 2,149,811.10 and 986,403.30 is: 1,477,575.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,175.70 : 2,149,811.10 = 986,403.30 : x
  2. Step 2: Convert to fraction form
    1,435,175.70/2,149,811.10 = 986,403.30/x
  3. Step 3: Cross multiply
    1,435,175.70x = 2,149,811.10 × 986,403.30
  4. Step 4: Simplify right side
    1,435,175.70x = 2,120,580,763,416.63
  5. Step 5: Solve for x
    x = 2,120,580,763,416.63/1,435,175.70
  6. Step 6: Final answer
    x = 1,477,575.72

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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.