Home / 1,288,315.04-1,932,573.92-341,685.76

Finding the Fourth Proportional to 1,288,315.04, 1,932,573.92 and 341,685.76

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Solution

The fourth proportional to 1,288,315.04, 1,932,573.92 and 341,685.76 is: 512,555.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,315.04 : 1,932,573.92 = 341,685.76 : x
  2. Step 2: Convert to fraction form
    1,288,315.04/1,932,573.92 = 341,685.76/x
  3. Step 3: Cross multiply
    1,288,315.04x = 1,932,573.92 × 341,685.76
  4. Step 4: Simplify right side
    1,288,315.04x = 660,332,986,902.95
  5. Step 5: Solve for x
    x = 660,332,986,902.95/1,288,315.04
  6. Step 6: Final answer
    x = 512,555.52

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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.