Home / 1,349,245.77-1,861,956.03-768,468.78

Finding the Fourth Proportional to 1,349,245.77, 1,861,956.03 and 768,468.78

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Solution

The fourth proportional to 1,349,245.77, 1,861,956.03 and 768,468.78 is: 1,060,485.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,245.77 : 1,861,956.03 = 768,468.78 : x
  2. Step 2: Convert to fraction form
    1,349,245.77/1,861,956.03 = 768,468.78/x
  3. Step 3: Cross multiply
    1,349,245.77x = 1,861,956.03 × 768,468.78
  4. Step 4: Simplify right side
    1,349,245.77x = 1,430,855,078,787.74
  5. Step 5: Solve for x
    x = 1,430,855,078,787.74/1,349,245.77
  6. Step 6: Final answer
    x = 1,060,485.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.