Home / 1,295,465.54-1,942,633.94-688,120.94

Finding the Fourth Proportional to 1,295,465.54, 1,942,633.94 and 688,120.94

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Solution

The fourth proportional to 1,295,465.54, 1,942,633.94 and 688,120.94 is: 1,031,881.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,465.54 : 1,942,633.94 = 688,120.94 : x
  2. Step 2: Convert to fraction form
    1,295,465.54/1,942,633.94 = 688,120.94/x
  3. Step 3: Cross multiply
    1,295,465.54x = 1,942,633.94 × 688,120.94
  4. Step 4: Simplify right side
    1,295,465.54x = 1,336,767,087,228.05
  5. Step 5: Solve for x
    x = 1,336,767,087,228.05/1,295,465.54
  6. Step 6: Final answer
    x = 1,031,881.63

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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.