Home / 1,429,469.10-1,972,731.70-856,496.96

Finding the Fourth Proportional to 1,429,469.10, 1,972,731.70 and 856,496.96

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Solution

The fourth proportional to 1,429,469.10, 1,972,731.70 and 856,496.96 is: 1,182,004.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,469.10 : 1,972,731.70 = 856,496.96 : x
  2. Step 2: Convert to fraction form
    1,429,469.10/1,972,731.70 = 856,496.96/x
  3. Step 3: Cross multiply
    1,429,469.10x = 1,972,731.70 × 856,496.96
  4. Step 4: Simplify right side
    1,429,469.10x = 1,689,638,703,945.63
  5. Step 5: Solve for x
    x = 1,689,638,703,945.63/1,429,469.10
  6. Step 6: Final answer
    x = 1,182,004.36

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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.