Home / 1,285,863.58-1,774,132.50-1,013,084.74

Finding the Fourth Proportional to 1,285,863.58, 1,774,132.50 and 1,013,084.74

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Solution

The fourth proportional to 1,285,863.58, 1,774,132.50 and 1,013,084.74 is: 1,397,773.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,863.58 : 1,774,132.50 = 1,013,084.74 : x
  2. Step 2: Convert to fraction form
    1,285,863.58/1,774,132.50 = 1,013,084.74/x
  3. Step 3: Cross multiply
    1,285,863.58x = 1,774,132.50 × 1,013,084.74
  4. Step 4: Simplify right side
    1,285,863.58x = 1,797,346,562,488.05
  5. Step 5: Solve for x
    x = 1,797,346,562,488.05/1,285,863.58
  6. Step 6: Final answer
    x = 1,397,773.91

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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.