Home / 1,528,503.41-2,105,689.07-1,068,757.76

Finding the Fourth Proportional to 1,528,503.41, 2,105,689.07 and 1,068,757.76

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Solution

The fourth proportional to 1,528,503.41, 2,105,689.07 and 1,068,757.76 is: 1,472,336.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,503.41 : 2,105,689.07 = 1,068,757.76 : x
  2. Step 2: Convert to fraction form
    1,528,503.41/2,105,689.07 = 1,068,757.76/x
  3. Step 3: Cross multiply
    1,528,503.41x = 2,105,689.07 × 1,068,757.76
  4. Step 4: Simplify right side
    1,528,503.41x = 2,250,471,525,853.13
  5. Step 5: Solve for x
    x = 2,250,471,525,853.13/1,528,503.41
  6. Step 6: Final answer
    x = 1,472,336.61

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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.