Home / 1,295,465.34-1,942,633.66-688,120.75

Finding the Fourth Proportional to 1,295,465.34, 1,942,633.66 and 688,120.75

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Solution

The fourth proportional to 1,295,465.34, 1,942,633.66 and 688,120.75 is: 1,031,881.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,465.34 : 1,942,633.66 = 688,120.75 : x
  2. Step 2: Convert to fraction form
    1,295,465.34/1,942,633.66 = 688,120.75/x
  3. Step 3: Cross multiply
    1,295,465.34x = 1,942,633.66 × 688,120.75
  4. Step 4: Simplify right side
    1,295,465.34x = 1,336,766,527,098.01
  5. Step 5: Solve for x
    x = 1,336,766,527,098.01/1,295,465.34
  6. Step 6: Final answer
    x = 1,031,881.35

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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.