Home / 1,500,715.86-2,250,736.87-690,321.96

Finding the Fourth Proportional to 1,500,715.86, 2,250,736.87 and 690,321.96

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Solution

The fourth proportional to 1,500,715.86, 2,250,736.87 and 690,321.96 is: 1,035,327.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,715.86 : 2,250,736.87 = 690,321.96 : x
  2. Step 2: Convert to fraction form
    1,500,715.86/2,250,736.87 = 690,321.96/x
  3. Step 3: Cross multiply
    1,500,715.86x = 2,250,736.87 × 690,321.96
  4. Step 4: Simplify right side
    1,500,715.86x = 1,553,733,077,130.55
  5. Step 5: Solve for x
    x = 1,553,733,077,130.55/1,500,715.86
  6. Step 6: Final answer
    x = 1,035,327.95

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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.