Home / 1,175,006.11-1,621,512.55-739,711.46

Finding the Fourth Proportional to 1,175,006.11, 1,621,512.55 and 739,711.46

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Solution

The fourth proportional to 1,175,006.11, 1,621,512.55 and 739,711.46 is: 1,020,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,006.11 : 1,621,512.55 = 739,711.46 : x
  2. Step 2: Convert to fraction form
    1,175,006.11/1,621,512.55 = 739,711.46/x
  3. Step 3: Cross multiply
    1,175,006.11x = 1,621,512.55 × 739,711.46
  4. Step 4: Simplify right side
    1,175,006.11x = 1,199,451,405,811.98
  5. Step 5: Solve for x
    x = 1,199,451,405,811.98/1,175,006.11
  6. Step 6: Final answer
    x = 1,020,804.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.