Home / 1,375,826.24-1,898,815.32-831,965.98

Finding the Fourth Proportional to 1,375,826.24, 1,898,815.32 and 831,965.98

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Solution

The fourth proportional to 1,375,826.24, 1,898,815.32 and 831,965.98 is: 1,148,218.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,826.24 : 1,898,815.32 = 831,965.98 : x
  2. Step 2: Convert to fraction form
    1,375,826.24/1,898,815.32 = 831,965.98/x
  3. Step 3: Cross multiply
    1,375,826.24x = 1,898,815.32 × 831,965.98
  4. Step 4: Simplify right side
    1,375,826.24x = 1,579,749,748,542.81
  5. Step 5: Solve for x
    x = 1,579,749,748,542.81/1,375,826.24
  6. Step 6: Final answer
    x = 1,148,218.94

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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.