Home / 1,018,809.60-1,526,464.80-663,640.80

Finding the Fourth Proportional to 1,018,809.60, 1,526,464.80 and 663,640.80

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Solution

The fourth proportional to 1,018,809.60, 1,526,464.80 and 663,640.80 is: 994,321.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,809.60 : 1,526,464.80 = 663,640.80 : x
  2. Step 2: Convert to fraction form
    1,018,809.60/1,526,464.80 = 663,640.80/x
  3. Step 3: Cross multiply
    1,018,809.60x = 1,526,464.80 × 663,640.80
  4. Step 4: Simplify right side
    1,018,809.60x = 1,013,024,321,043.84
  5. Step 5: Solve for x
    x = 1,013,024,321,043.84/1,018,809.60
  6. Step 6: Final answer
    x = 994,321.53

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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.