Home / 1,038,620.07-1,558,008.90-280,450.50

Finding the Fourth Proportional to 1,038,620.07, 1,558,008.90 and 280,450.50

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Solution

The fourth proportional to 1,038,620.07, 1,558,008.90 and 280,450.50 is: 420,697.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,620.07 : 1,558,008.90 = 280,450.50 : x
  2. Step 2: Convert to fraction form
    1,038,620.07/1,558,008.90 = 280,450.50/x
  3. Step 3: Cross multiply
    1,038,620.07x = 1,558,008.90 × 280,450.50
  4. Step 4: Simplify right side
    1,038,620.07x = 436,944,375,009.45
  5. Step 5: Solve for x
    x = 436,944,375,009.45/1,038,620.07
  6. Step 6: Final answer
    x = 420,697.03

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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.