Home / 1,349,056.46-1,861,887.79-858,869.38

Finding the Fourth Proportional to 1,349,056.46, 1,861,887.79 and 858,869.38

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Solution

The fourth proportional to 1,349,056.46, 1,861,887.79 and 858,869.38 is: 1,185,360.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,056.46 : 1,861,887.79 = 858,869.38 : x
  2. Step 2: Convert to fraction form
    1,349,056.46/1,861,887.79 = 858,869.38/x
  3. Step 3: Cross multiply
    1,349,056.46x = 1,861,887.79 × 858,869.38
  4. Step 4: Simplify right side
    1,349,056.46x = 1,599,118,408,606.11
  5. Step 5: Solve for x
    x = 1,599,118,408,606.11/1,349,056.46
  6. Step 6: Final answer
    x = 1,185,360.63

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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.