Home / 1,247,858.49-1,722,045.84-674,898.66

Finding the Fourth Proportional to 1,247,858.49, 1,722,045.84 and 674,898.66

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Solution

The fourth proportional to 1,247,858.49, 1,722,045.84 and 674,898.66 is: 931,360.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,858.49 : 1,722,045.84 = 674,898.66 : x
  2. Step 2: Convert to fraction form
    1,247,858.49/1,722,045.84 = 674,898.66/x
  3. Step 3: Cross multiply
    1,247,858.49x = 1,722,045.84 × 674,898.66
  4. Step 4: Simplify right side
    1,247,858.49x = 1,162,206,429,874.57
  5. Step 5: Solve for x
    x = 1,162,206,429,874.57/1,247,858.49
  6. Step 6: Final answer
    x = 931,360.76

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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.