Home / 1,309,992.93-1,807,777.49-729,206.85

Finding the Fourth Proportional to 1,309,992.93, 1,807,777.49 and 729,206.85

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Solution

The fourth proportional to 1,309,992.93, 1,807,777.49 and 729,206.85 is: 1,006,298.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,992.93 : 1,807,777.49 = 729,206.85 : x
  2. Step 2: Convert to fraction form
    1,309,992.93/1,807,777.49 = 729,206.85/x
  3. Step 3: Cross multiply
    1,309,992.93x = 1,807,777.49 × 729,206.85
  4. Step 4: Simplify right side
    1,309,992.93x = 1,318,243,725,337.77
  5. Step 5: Solve for x
    x = 1,318,243,725,337.77/1,309,992.93
  6. Step 6: Final answer
    x = 1,006,298.35

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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.