Home / 1,310,191.42-1,962,137.79-747,520.06

Finding the Fourth Proportional to 1,310,191.42, 1,962,137.79 and 747,520.06

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Solution

The fourth proportional to 1,310,191.42, 1,962,137.79 and 747,520.06 is: 1,119,483.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,191.42 : 1,962,137.79 = 747,520.06 : x
  2. Step 2: Convert to fraction form
    1,310,191.42/1,962,137.79 = 747,520.06/x
  3. Step 3: Cross multiply
    1,310,191.42x = 1,962,137.79 × 747,520.06
  4. Step 4: Simplify right side
    1,310,191.42x = 1,466,737,358,509.07
  5. Step 5: Solve for x
    x = 1,466,737,358,509.07/1,310,191.42
  6. Step 6: Final answer
    x = 1,119,483.26

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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.