Home / 1,040,505.68-1,435,472.88-824,780

Finding the Fourth Proportional to 1,040,505.68, 1,435,472.88 and 824,780

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Solution

The fourth proportional to 1,040,505.68, 1,435,472.88 and 824,780 is: 1,137,859.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,505.68 : 1,435,472.88 = 824,780 : x
  2. Step 2: Convert to fraction form
    1,040,505.68/1,435,472.88 = 824,780/x
  3. Step 3: Cross multiply
    1,040,505.68x = 1,435,472.88 × 824,780
  4. Step 4: Simplify right side
    1,040,505.68x = 1,183,949,321,966.40
  5. Step 5: Solve for x
    x = 1,183,949,321,966.40/1,040,505.68
  6. Step 6: Final answer
    x = 1,137,859.55

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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.