Home / 1,093,542.40-1,640,313.60-988,566.40

Finding the Fourth Proportional to 1,093,542.40, 1,640,313.60 and 988,566.40

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Solution

The fourth proportional to 1,093,542.40, 1,640,313.60 and 988,566.40 is: 1,482,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,542.40 : 1,640,313.60 = 988,566.40 : x
  2. Step 2: Convert to fraction form
    1,093,542.40/1,640,313.60 = 988,566.40/x
  3. Step 3: Cross multiply
    1,093,542.40x = 1,640,313.60 × 988,566.40
  4. Step 4: Simplify right side
    1,093,542.40x = 1,621,558,910,423.04
  5. Step 5: Solve for x
    x = 1,621,558,910,423.04/1,093,542.40
  6. Step 6: Final answer
    x = 1,482,849.60

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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.