Home / 1,381,801.74-2,072,702.64-539,763

Finding the Fourth Proportional to 1,381,801.74, 2,072,702.64 and 539,763

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Solution

The fourth proportional to 1,381,801.74, 2,072,702.64 and 539,763 is: 809,644.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,801.74 : 2,072,702.64 = 539,763 : x
  2. Step 2: Convert to fraction form
    1,381,801.74/2,072,702.64 = 539,763/x
  3. Step 3: Cross multiply
    1,381,801.74x = 2,072,702.64 × 539,763
  4. Step 4: Simplify right side
    1,381,801.74x = 1,118,768,195,074.32
  5. Step 5: Solve for x
    x = 1,118,768,195,074.32/1,381,801.74
  6. Step 6: Final answer
    x = 809,644.51

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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.